Finding the Fourth Proportional to 89,347.48, 123,305.82 and 59,080.20

Step by Step Solution

1. Step 1: Write the proportion equation
   89,347.48 : 123,305.82 = 59,080.20 : x
2. Step 2: Convert to fraction form
   89,347.48/123,305.82 = 59,080.20/x
3. Step 3: Cross multiply
   89,347.48x = 123,305.82 × 59,080.20
4. Step 4: Simplify right side
   89,347.48x = 7,284,932,506.76
5. Step 5: Solve for x
   x = 7,284,932,506.76/89,347.48
6. Step 6: Final answer
   x = 81,534.84