Finding the Fourth Proportional to 22,580.32, 31,159.28 and 12,507.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,580.32 : 31,159.28 = 12,507.82 : x
2. Step 2: Convert to fraction form
   22,580.32/31,159.28 = 12,507.82/x
3. Step 3: Cross multiply
   22,580.32x = 31,159.28 × 12,507.82
4. Step 4: Simplify right side
   22,580.32x = 389,734,618.94
5. Step 5: Solve for x
   x = 389,734,618.94/22,580.32
6. Step 6: Final answer
   x = 17,259.93