Finding the Fourth Proportional to 22,507.88, 31,061.27 and 13,558.19

Step by Step Solution

1. Step 1: Write the proportion equation
   22,507.88 : 31,061.27 = 13,558.19 : x
2. Step 2: Convert to fraction form
   22,507.88/31,061.27 = 13,558.19/x
3. Step 3: Cross multiply
   22,507.88x = 31,061.27 × 13,558.19
4. Step 4: Simplify right side
   22,507.88x = 421,134,478.89
5. Step 5: Solve for x
   x = 421,134,478.89/22,507.88
6. Step 6: Final answer
   x = 18,710.54