Finding the Fourth Proportional to 22,512.08, 31,068.42 and 13,081.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,512.08 : 31,068.42 = 13,081.34 : x
2. Step 2: Convert to fraction form
   22,512.08/31,068.42 = 13,081.34/x
3. Step 3: Cross multiply
   22,512.08x = 31,068.42 × 13,081.34
4. Step 4: Simplify right side
   22,512.08x = 406,416,565.28
5. Step 5: Solve for x
   x = 406,416,565.28/22,512.08
6. Step 6: Final answer
   x = 18,053.27