Finding the Fourth Proportional to 31,261.76, 43,139.67 and 17,832.53

Step by Step Solution

1. Step 1: Write the proportion equation
   31,261.76 : 43,139.67 = 17,832.53 : x
2. Step 2: Convert to fraction form
   31,261.76/43,139.67 = 17,832.53/x
3. Step 3: Cross multiply
   31,261.76x = 43,139.67 × 17,832.53
4. Step 4: Simplify right side
   31,261.76x = 769,289,243.77
5. Step 5: Solve for x
   x = 769,289,243.77/31,261.76
6. Step 6: Final answer
   x = 24,608.00