Finding the Fourth Proportional to 43,155,522.90, 64,737,613.71 and 12,450,862.62

Step by Step Solution

1. Step 1: Write the proportion equation
   43,155,522.90 : 64,737,613.71 = 12,450,862.62 : x
2. Step 2: Convert to fraction form
   43,155,522.90/64,737,613.71 = 12,450,862.62/x
3. Step 3: Cross multiply
   43,155,522.90x = 64,737,613.71 × 12,450,862.62
4. Step 4: Simplify right side
   43,155,522.90x = 806,039,134,649,838.50
5. Step 5: Solve for x
   x = 806,039,134,649,838.50/43,155,522.90
6. Step 6: Final answer
   x = 18,677,543.00