Finding the Fourth Proportional to 22,712,446.14, 31,343,016.24 and 12,399,169.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,712,446.14 : 31,343,016.24 = 12,399,169.25 : x
2. Step 2: Convert to fraction form
   22,712,446.14/31,343,016.24 = 12,399,169.25/x
3. Step 3: Cross multiply
   22,712,446.14x = 31,343,016.24 × 12,399,169.25
4. Step 4: Simplify right side
   22,712,446.14x = 388,627,363,008,543.50
5. Step 5: Solve for x
   x = 388,627,363,008,543.50/22,712,446.14
6. Step 6: Final answer
   x = 17,110,766.52