Finding the Fourth Proportional to 113,525.32, 156,664.92 and 65,806.36

Step by Step Solution

1. Step 1: Write the proportion equation
   113,525.32 : 156,664.92 = 65,806.36 : x
2. Step 2: Convert to fraction form
   113,525.32/156,664.92 = 65,806.36/x
3. Step 3: Cross multiply
   113,525.32x = 156,664.92 × 65,806.36
4. Step 4: Simplify right side
   113,525.32x = 10,309,548,124.89
5. Step 5: Solve for x
   x = 10,309,548,124.89/113,525.32
6. Step 6: Final answer
   x = 90,812.76