Finding the Fourth Proportional to 31,645.32, 43,669.98 and 17,499.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,645.32 : 43,669.98 = 17,499.48 : x
2. Step 2: Convert to fraction form
   31,645.32/43,669.98 = 17,499.48/x
3. Step 3: Cross multiply
   31,645.32x = 43,669.98 × 17,499.48
4. Step 4: Simplify right side
   31,645.32x = 764,201,941.61
5. Step 5: Solve for x
   x = 764,201,941.61/31,645.32
6. Step 6: Final answer
   x = 24,148.97