Finding the Fourth Proportional to 72,227.16, 99,465.57 and 59,535.27

Step by Step Solution

1. Step 1: Write the proportion equation
   72,227.16 : 99,465.57 = 59,535.27 : x
2. Step 2: Convert to fraction form
   72,227.16/99,465.57 = 59,535.27/x
3. Step 3: Cross multiply
   72,227.16x = 99,465.57 × 59,535.27
4. Step 4: Simplify right side
   72,227.16x = 5,921,709,565.65
5. Step 5: Solve for x
   x = 5,921,709,565.65/72,227.16
6. Step 6: Final answer
   x = 81,987.30