Finding the Fourth Proportional to 22,525.55, 31,087.17 and 13,093.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,525.55 : 31,087.17 = 13,093.50 : x
2. Step 2: Convert to fraction form
   22,525.55/31,087.17 = 13,093.50/x
3. Step 3: Cross multiply
   22,525.55x = 31,087.17 × 13,093.50
4. Step 4: Simplify right side
   22,525.55x = 407,039,860.40
5. Step 5: Solve for x
   x = 407,039,860.40/22,525.55
6. Step 6: Final answer
   x = 18,070.14