Finding the Fourth Proportional to 22,575.56, 31,152.89 and 12,503.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,575.56 : 31,152.89 = 12,503.40 : x
2. Step 2: Convert to fraction form
   22,575.56/31,152.89 = 12,503.40/x
3. Step 3: Cross multiply
   22,575.56x = 31,152.89 × 12,503.40
4. Step 4: Simplify right side
   22,575.56x = 389,516,959.26
5. Step 5: Solve for x
   x = 389,516,959.26/22,575.56
6. Step 6: Final answer
   x = 17,253.93