Finding the Fourth Proportional to 81,787.37, 112,863.60 and 45,980.71

Step by Step Solution

1. Step 1: Write the proportion equation
   81,787.37 : 112,863.60 = 45,980.71 : x
2. Step 2: Convert to fraction form
   81,787.37/112,863.60 = 45,980.71/x
3. Step 3: Cross multiply
   81,787.37x = 112,863.60 × 45,980.71
4. Step 4: Simplify right side
   81,787.37x = 5,189,548,179.00
5. Step 5: Solve for x
   x = 5,189,548,179.00/81,787.37
6. Step 6: Final answer
   x = 63,451.71