Finding the Fourth Proportional to 22,431,960.72, 30,966,439.32 and 13,138,241.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,431,960.72 : 30,966,439.32 = 13,138,241.04 : x
2. Step 2: Convert to fraction form
   22,431,960.72/30,966,439.32 = 13,138,241.04/x
3. Step 3: Cross multiply
   22,431,960.72x = 30,966,439.32 × 13,138,241.04
4. Step 4: Simplify right side
   22,431,960.72x = 406,844,543,936,693.69
5. Step 5: Solve for x
   x = 406,844,543,936,693.69/22,431,960.72
6. Step 6: Final answer
   x = 18,136,824.91