Finding the Fourth Proportional to 89,462.66, 123,433.61 and 59,238.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89,462.66 : 123,433.61 = 59,238.32 : x
2. Step 2: Convert to fraction form
   89,462.66/123,433.61 = 59,238.32/x
3. Step 3: Cross multiply
   89,462.66x = 123,433.61 × 59,238.32
4. Step 4: Simplify right side
   89,462.66x = 7,311,998,774.58
5. Step 5: Solve for x
   x = 7,311,998,774.58/89,462.66
6. Step 6: Final answer
   x = 81,732.41