Finding the Fourth Proportional to 89,655.03, 123,682.35 and 57,834.18

Step by Step Solution

1. Step 1: Write the proportion equation
   89,655.03 : 123,682.35 = 57,834.18 : x
2. Step 2: Convert to fraction form
   89,655.03/123,682.35 = 57,834.18/x
3. Step 3: Cross multiply
   89,655.03x = 123,682.35 × 57,834.18
4. Step 4: Simplify right side
   89,655.03x = 7,153,067,292.72
5. Step 5: Solve for x
   x = 7,153,067,292.72/89,655.03
6. Step 6: Final answer
   x = 79,784.34