Finding the Fourth Proportional to 31,288.86, 43,181.72 and 17,862.14

Step by Step Solution

1. Step 1: Write the proportion equation
   31,288.86 : 43,181.72 = 17,862.14 : x
2. Step 2: Convert to fraction form
   31,288.86/43,181.72 = 17,862.14/x
3. Step 3: Cross multiply
   31,288.86x = 43,181.72 × 17,862.14
4. Step 4: Simplify right side
   31,288.86x = 771,317,928.08
5. Step 5: Solve for x
   x = 771,317,928.08/31,288.86
6. Step 6: Final answer
   x = 24,651.52