Finding the Fourth Proportional to 22,529,004.84, 31,090,638 and 12,740,912.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,529,004.84 : 31,090,638 = 12,740,912.72 : x
2. Step 2: Convert to fraction form
   22,529,004.84/31,090,638 = 12,740,912.72/x
3. Step 3: Cross multiply
   22,529,004.84x = 31,090,638 × 12,740,912.72
4. Step 4: Simplify right side
   22,529,004.84x = 396,123,105,167,115.38
5. Step 5: Solve for x
   x = 396,123,105,167,115.38/22,529,004.84
6. Step 6: Final answer
   x = 17,582,805.28