Finding the Fourth Proportional to 113,559.48, 156,700.14 and 65,827.80

Step by Step Solution

1. Step 1: Write the proportion equation
   113,559.48 : 156,700.14 = 65,827.80 : x
2. Step 2: Convert to fraction form
   113,559.48/156,700.14 = 65,827.80/x
3. Step 3: Cross multiply
   113,559.48x = 156,700.14 × 65,827.80
4. Step 4: Simplify right side
   113,559.48x = 10,315,225,475.89
5. Step 5: Solve for x
   x = 10,315,225,475.89/113,559.48
6. Step 6: Final answer
   x = 90,835.44