Finding the Fourth Proportional to 12,426,073.55, 18,640,187.51 and 3,792,117.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,426,073.55 : 18,640,187.51 = 3,792,117.91 : x
2. Step 2: Convert to fraction form
   12,426,073.55/18,640,187.51 = 3,792,117.91/x
3. Step 3: Cross multiply
   12,426,073.55x = 18,640,187.51 × 3,792,117.91
4. Step 4: Simplify right side
   12,426,073.55x = 70,685,788,861,609.50
5. Step 5: Solve for x
   x = 70,685,788,861,609.50/12,426,073.55
6. Step 6: Final answer
   x = 5,688,505.59