Finding the Fourth Proportional to 89,349.48, 123,308.58 and 59,082.20

Step by Step Solution

1. Step 1: Write the proportion equation
   89,349.48 : 123,308.58 = 59,082.20 : x
2. Step 2: Convert to fraction form
   89,349.48/123,308.58 = 59,082.20/x
3. Step 3: Cross multiply
   89,349.48x = 123,308.58 × 59,082.20
4. Step 4: Simplify right side
   89,349.48x = 7,285,342,185.28
5. Step 5: Solve for x
   x = 7,285,342,185.28/89,349.48
6. Step 6: Final answer
   x = 81,537.60