Finding the Fourth Proportional to 22,369,522.16, 30,869,456.57 and 12,950,710.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,369,522.16 : 30,869,456.57 = 12,950,710.29 : x
2. Step 2: Convert to fraction form
   22,369,522.16/30,869,456.57 = 12,950,710.29/x
3. Step 3: Cross multiply
   22,369,522.16x = 30,869,456.57 × 12,950,710.29
4. Step 4: Simplify right side
   22,369,522.16x = 399,781,388,628,706.31
5. Step 5: Solve for x
   x = 399,781,388,628,706.31/22,369,522.16
6. Step 6: Final answer
   x = 17,871,699.98