Finding the Fourth Proportional to 22,790.18, 31,445.72 and 13,832.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,790.18 : 31,445.72 = 13,832.69 : x
2. Step 2: Convert to fraction form
   22,790.18/31,445.72 = 13,832.69/x
3. Step 3: Cross multiply
   22,790.18x = 31,445.72 × 13,832.69
4. Step 4: Simplify right side
   22,790.18x = 434,978,898.95
5. Step 5: Solve for x
   x = 434,978,898.95/22,790.18
6. Step 6: Final answer
   x = 19,086.24