Finding the Fourth Proportional to 59,782.36, 88,967.79 and 57,789.16

Step by Step Solution

1. Step 1: Write the proportion equation
   59,782.36 : 88,967.79 = 57,789.16 : x
2. Step 2: Convert to fraction form
   59,782.36/88,967.79 = 57,789.16/x
3. Step 3: Cross multiply
   59,782.36x = 88,967.79 × 57,789.16
4. Step 4: Simplify right side
   59,782.36x = 5,141,373,851.16
5. Step 5: Solve for x
   x = 5,141,373,851.16/59,782.36
6. Step 6: Final answer
   x = 86,001.52