Finding the Fourth Proportional to 22,513.50, 31,068.63 and 12,577.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,513.50 : 31,068.63 = 12,577.50 : x
2. Step 2: Convert to fraction form
   22,513.50/31,068.63 = 12,577.50/x
3. Step 3: Cross multiply
   22,513.50x = 31,068.63 × 12,577.50
4. Step 4: Simplify right side
   22,513.50x = 390,765,693.83
5. Step 5: Solve for x
   x = 390,765,693.83/22,513.50
6. Step 6: Final answer
   x = 17,356.95