Finding the Fourth Proportional to 115,726.50, 159,695.01 and 64,730.37

Step by Step Solution

1. Step 1: Write the proportion equation
   115,726.50 : 159,695.01 = 64,730.37 : x
2. Step 2: Convert to fraction form
   115,726.50/159,695.01 = 64,730.37/x
3. Step 3: Cross multiply
   115,726.50x = 159,695.01 × 64,730.37
4. Step 4: Simplify right side
   115,726.50x = 10,337,117,084.45
5. Step 5: Solve for x
   x = 10,337,117,084.45/115,726.50
6. Step 6: Final answer
   x = 89,323.68