Finding the Fourth Proportional to 22,577.48, 31,156.04 and 12,506.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,577.48 : 31,156.04 = 12,506.35 : x
2. Step 2: Convert to fraction form
   22,577.48/31,156.04 = 12,506.35/x
3. Step 3: Cross multiply
   22,577.48x = 31,156.04 × 12,506.35
4. Step 4: Simplify right side
   22,577.48x = 389,648,294.23
5. Step 5: Solve for x
   x = 389,648,294.23/22,577.48
6. Step 6: Final answer
   x = 17,258.27