Finding the Fourth Proportional to 58,541.31, 80,787.12 and 31,684.05

Step by Step Solution

1. Step 1: Write the proportion equation
   58,541.31 : 80,787.12 = 31,684.05 : x
2. Step 2: Convert to fraction form
   58,541.31/80,787.12 = 31,684.05/x
3. Step 3: Cross multiply
   58,541.31x = 80,787.12 × 31,684.05
4. Step 4: Simplify right side
   58,541.31x = 2,559,663,149.44
5. Step 5: Solve for x
   x = 2,559,663,149.44/58,541.31
6. Step 6: Final answer
   x = 43,724.05