Finding the Fourth Proportional to 31,647.30, 43,671.42 and 17,499.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,647.30 : 43,671.42 = 17,499.84 : x
2. Step 2: Convert to fraction form
   31,647.30/43,671.42 = 17,499.84/x
3. Step 3: Cross multiply
   31,647.30x = 43,671.42 × 17,499.84
4. Step 4: Simplify right side
   31,647.30x = 764,242,862.57
5. Step 5: Solve for x
   x = 764,242,862.57/31,647.30
6. Step 6: Final answer
   x = 24,148.75