Finding the Fourth Proportional to 31,200.31, 43,064.16 and 17,779.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,200.31 : 43,064.16 = 17,779.52 : x
2. Step 2: Convert to fraction form
   31,200.31/43,064.16 = 17,779.52/x
3. Step 3: Cross multiply
   31,200.31x = 43,064.16 × 17,779.52
4. Step 4: Simplify right side
   31,200.31x = 765,659,892.75
5. Step 5: Solve for x
   x = 765,659,892.75/31,200.31
6. Step 6: Final answer
   x = 24,540.14