Finding the Fourth Proportional to 113,601.48, 156,758.76 and 65,870.88

Step by Step Solution

1. Step 1: Write the proportion equation
   113,601.48 : 156,758.76 = 65,870.88 : x
2. Step 2: Convert to fraction form
   113,601.48/156,758.76 = 65,870.88/x
3. Step 3: Cross multiply
   113,601.48x = 156,758.76 × 65,870.88
4. Step 4: Simplify right side
   113,601.48x = 10,325,837,468.91
5. Step 5: Solve for x
   x = 10,325,837,468.91/113,601.48
6. Step 6: Final answer
   x = 90,895.27