Finding the Fourth Proportional to 12,426,106.72, 18,640,237.16 and 3,792,151.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,426,106.72 : 18,640,237.16 = 3,792,151.04 : x
2. Step 2: Convert to fraction form
   12,426,106.72/18,640,237.16 = 3,792,151.04/x
3. Step 3: Cross multiply
   12,426,106.72x = 18,640,237.16 × 3,792,151.04
4. Step 4: Simplify right side
   12,426,106.72x = 70,686,594,732,140.64
5. Step 5: Solve for x
   x = 70,686,594,732,140.64/12,426,106.72
6. Step 6: Final answer
   x = 5,688,555.26