Finding the Fourth Proportional to 89,592.42, 123,648.96 and 57,853.58

Step by Step Solution

1. Step 1: Write the proportion equation
   89,592.42 : 123,648.96 = 57,853.58 : x
2. Step 2: Convert to fraction form
   89,592.42/123,648.96 = 57,853.58/x
3. Step 3: Cross multiply
   89,592.42x = 123,648.96 × 57,853.58
4. Step 4: Simplify right side
   89,592.42x = 7,153,534,999.28
5. Step 5: Solve for x
   x = 7,153,534,999.28/89,592.42
6. Step 6: Final answer
   x = 79,845.32