Finding the Fourth Proportional to 12,645,608.60, 18,968,461.76 and 3,060,971.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,645,608.60 : 18,968,461.76 = 3,060,971.48 : x
2. Step 2: Convert to fraction form
   12,645,608.60/18,968,461.76 = 3,060,971.48/x
3. Step 3: Cross multiply
   12,645,608.60x = 18,968,461.76 × 3,060,971.48
4. Step 4: Simplify right side
   12,645,608.60x = 58,061,920,379,640.73
5. Step 5: Solve for x
   x = 58,061,920,379,640.73/12,645,608.60
6. Step 6: Final answer
   x = 4,591,469.04