Finding the Fourth Proportional to 31,632.47, 43,652.89 and 17,485.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,632.47 : 43,652.89 = 17,485.31 : x
2. Step 2: Convert to fraction form
   31,632.47/43,652.89 = 17,485.31/x
3. Step 3: Cross multiply
   31,632.47x = 43,652.89 × 17,485.31
4. Step 4: Simplify right side
   31,632.47x = 763,284,346.68
5. Step 5: Solve for x
   x = 763,284,346.68/31,632.47
6. Step 6: Final answer
   x = 24,129.77