Finding the Fourth Proportional to 89,356.48, 123,318.24 and 59,089.20

Step by Step Solution

1. Step 1: Write the proportion equation
   89,356.48 : 123,318.24 = 59,089.20 : x
2. Step 2: Convert to fraction form
   89,356.48/123,318.24 = 59,089.20/x
3. Step 3: Cross multiply
   89,356.48x = 123,318.24 × 59,089.20
4. Step 4: Simplify right side
   89,356.48x = 7,286,776,147.01
5. Step 5: Solve for x
   x = 7,286,776,147.01/89,356.48
6. Step 6: Final answer
   x = 81,547.26