Finding the Fourth Proportional to 49,089,140,915.65, 67,744,685,942.10 and 28,487,735,769.67

Step by Step Solution

1. Step 1: Write the proportion equation
   49,089,140,915.65 : 67,744,685,942.10 = 28,487,735,769.67 : x
2. Step 2: Convert to fraction form
   49,089,140,915.65/67,744,685,942.10 = 28,487,735,769.67/x
3. Step 3: Cross multiply
   49,089,140,915.65x = 67,744,685,942.10 × 28,487,735,769.67
4. Step 4: Simplify right side
   49,089,140,915.65x = 1,929,892,712,917,679,996,928
5. Step 5: Solve for x
   x = 1,929,892,712,917,679,996,928/49,089,140,915.65
6. Step 6: Final answer
   x = 39,314,045,365.63