Finding the Fourth Proportional to 22,566.79, 31,141.80 and 12,495.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,566.79 : 31,141.80 = 12,495.04 : x
2. Step 2: Convert to fraction form
   22,566.79/31,141.80 = 12,495.04/x
3. Step 3: Cross multiply
   22,566.79x = 31,141.80 × 12,495.04
4. Step 4: Simplify right side
   22,566.79x = 389,118,036.67
5. Step 5: Solve for x
   x = 389,118,036.67/22,566.79
6. Step 6: Final answer
   x = 17,242.95