Finding the Fourth Proportional to 22,595.72, 31,178.30 and 15,053.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,595.72 : 31,178.30 = 15,053.31 : x
2. Step 2: Convert to fraction form
   22,595.72/31,178.30 = 15,053.31/x
3. Step 3: Cross multiply
   22,595.72x = 31,178.30 × 15,053.31
4. Step 4: Simplify right side
   22,595.72x = 469,336,539.91
5. Step 5: Solve for x
   x = 469,336,539.91/22,595.72
6. Step 6: Final answer
   x = 20,771.04