Finding the Fourth Proportional to 113,591.90, 156,757.46 and 65,873.58

Step by Step Solution

1. Step 1: Write the proportion equation
   113,591.90 : 156,757.46 = 65,873.58 : x
2. Step 2: Convert to fraction form
   113,591.90/156,757.46 = 65,873.58/x
3. Step 3: Cross multiply
   113,591.90x = 156,757.46 × 65,873.58
4. Step 4: Simplify right side
   113,591.90x = 10,326,175,081.91
5. Step 5: Solve for x
   x = 10,326,175,081.91/113,591.90
6. Step 6: Final answer
   x = 90,905.91