Finding the Fourth Proportional to 22,577.63, 31,155.74 and 12,505.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,577.63 : 31,155.74 = 12,505.46 : x
2. Step 2: Convert to fraction form
   22,577.63/31,155.74 = 12,505.46/x
3. Step 3: Cross multiply
   22,577.63x = 31,155.74 × 12,505.46
4. Step 4: Simplify right side
   22,577.63x = 389,616,642.03
5. Step 5: Solve for x
   x = 389,616,642.03/22,577.63
6. Step 6: Final answer
   x = 17,256.76