Finding the Fourth Proportional to 112,530.52, 155,287.09 and 64,773.73

Step by Step Solution

1. Step 1: Write the proportion equation
   112,530.52 : 155,287.09 = 64,773.73 : x
2. Step 2: Convert to fraction form
   112,530.52/155,287.09 = 64,773.73/x
3. Step 3: Cross multiply
   112,530.52x = 155,287.09 × 64,773.73
4. Step 4: Simplify right side
   112,530.52x = 10,058,524,040.15
5. Step 5: Solve for x
   x = 10,058,524,040.15/112,530.52
6. Step 6: Final answer
   x = 89,384.85