Finding the Fourth Proportional to 22,987,427.81, 31,722,864.50 and 12,674,517.53

Step by Step Solution

1. Step 1: Write the proportion equation
   22,987,427.81 : 31,722,864.50 = 12,674,517.53 : x
2. Step 2: Convert to fraction form
   22,987,427.81/31,722,864.50 = 12,674,517.53/x
3. Step 3: Cross multiply
   22,987,427.81x = 31,722,864.50 × 12,674,517.53
4. Step 4: Simplify right side
   22,987,427.81x = 402,072,002,080,136.69
5. Step 5: Solve for x
   x = 402,072,002,080,136.69/22,987,427.81
6. Step 6: Final answer
   x = 17,490,952.25