Finding the Fourth Proportional to 57,089.88, 78,859.33 and 43,825.05

Step by Step Solution

1. Step 1: Write the proportion equation
   57,089.88 : 78,859.33 = 43,825.05 : x
2. Step 2: Convert to fraction form
   57,089.88/78,859.33 = 43,825.05/x
3. Step 3: Cross multiply
   57,089.88x = 78,859.33 × 43,825.05
4. Step 4: Simplify right side
   57,089.88x = 3,456,014,080.22
5. Step 5: Solve for x
   x = 3,456,014,080.22/57,089.88
6. Step 6: Final answer
   x = 60,536.37