Finding the Fourth Proportional to 89,235.11, 123,165.99 and 60,602.55

Step by Step Solution

1. Step 1: Write the proportion equation
   89,235.11 : 123,165.99 = 60,602.55 : x
2. Step 2: Convert to fraction form
   89,235.11/123,165.99 = 60,602.55/x
3. Step 3: Cross multiply
   89,235.11x = 123,165.99 × 60,602.55
4. Step 4: Simplify right side
   89,235.11x = 7,464,173,067.27
5. Step 5: Solve for x
   x = 7,464,173,067.27/89,235.11
6. Step 6: Final answer
   x = 83,646.15