Finding the Fourth Proportional to 9,042,494.74, 12,478,592.50 and 4,912,492.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,042,494.74 : 12,478,592.50 = 4,912,492.86 : x
2. Step 2: Convert to fraction form
   9,042,494.74/12,478,592.50 = 4,912,492.86/x
3. Step 3: Cross multiply
   9,042,494.74x = 12,478,592.50 × 4,912,492.86
4. Step 4: Simplify right side
   9,042,494.74x = 61,300,996,546,818.33
5. Step 5: Solve for x
   x = 61,300,996,546,818.33/9,042,494.74
6. Step 6: Final answer
   x = 6,779,212.85