Finding the Fourth Proportional to 58,498.02, 80,727.28 and 31,640.53

Step by Step Solution

1. Step 1: Write the proportion equation
   58,498.02 : 80,727.28 = 31,640.53 : x
2. Step 2: Convert to fraction form
   58,498.02/80,727.28 = 31,640.53/x
3. Step 3: Cross multiply
   58,498.02x = 80,727.28 × 31,640.53
4. Step 4: Simplify right side
   58,498.02x = 2,554,253,766.46
5. Step 5: Solve for x
   x = 2,554,253,766.46/58,498.02
6. Step 6: Final answer
   x = 43,663.94