Finding the Fourth Proportional to 31,382.58, 43,307.91 and 17,235.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,382.58 : 43,307.91 = 17,235.42 : x
2. Step 2: Convert to fraction form
   31,382.58/43,307.91 = 17,235.42/x
3. Step 3: Cross multiply
   31,382.58x = 43,307.91 × 17,235.42
4. Step 4: Simplify right side
   31,382.58x = 746,429,932.00
5. Step 5: Solve for x
   x = 746,429,932.00/31,382.58
6. Step 6: Final answer
   x = 23,784.85