Finding the Fourth Proportional to 22,908.85, 31,612.72 and 13,475.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,908.85 : 31,612.72 = 13,475.59 : x
2. Step 2: Convert to fraction form
   22,908.85/31,612.72 = 13,475.59/x
3. Step 3: Cross multiply
   22,908.85x = 31,612.72 × 13,475.59
4. Step 4: Simplify right side
   22,908.85x = 426,000,053.50
5. Step 5: Solve for x
   x = 426,000,053.50/22,908.85
6. Step 6: Final answer
   x = 18,595.44