Finding the Fourth Proportional to 90,383.37, 124,787.15 and 58,131.87

Step by Step Solution

1. Step 1: Write the proportion equation
   90,383.37 : 124,787.15 = 58,131.87 : x
2. Step 2: Convert to fraction form
   90,383.37/124,787.15 = 58,131.87/x
3. Step 3: Cross multiply
   90,383.37x = 124,787.15 × 58,131.87
4. Step 4: Simplify right side
   90,383.37x = 7,254,110,381.47
5. Step 5: Solve for x
   x = 7,254,110,381.47/90,383.37
6. Step 6: Final answer
   x = 80,259.35