Finding the Fourth Proportional to 22,529,017.25, 31,090,655.10 and 12,740,925.17

Step by Step Solution

1. Step 1: Write the proportion equation
   22,529,017.25 : 31,090,655.10 = 12,740,925.17 : x
2. Step 2: Convert to fraction form
   22,529,017.25/31,090,655.10 = 12,740,925.17/x
3. Step 3: Cross multiply
   22,529,017.25x = 31,090,655.10 × 12,740,925.17
4. Step 4: Simplify right side
   22,529,017.25x = 396,123,709,959,925.56
5. Step 5: Solve for x
   x = 396,123,709,959,925.56/22,529,017.25
6. Step 6: Final answer
   x = 17,582,822.44