Finding the Fourth Proportional to 22,507.38, 31,061.64 and 12,435.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,507.38 : 31,061.64 = 12,435.82 : x
2. Step 2: Convert to fraction form
   22,507.38/31,061.64 = 12,435.82/x
3. Step 3: Cross multiply
   22,507.38x = 31,061.64 × 12,435.82
4. Step 4: Simplify right side
   22,507.38x = 386,276,932.93
5. Step 5: Solve for x
   x = 386,276,932.93/22,507.38
6. Step 6: Final answer
   x = 17,162.23