Finding the Fourth Proportional to 89,159.60, 123,123.48 and 57,383.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,159.60 : 123,123.48 = 57,383.84 : x
2. Step 2: Convert to fraction form
   89,159.60/123,123.48 = 57,383.84/x
3. Step 3: Cross multiply
   89,159.60x = 123,123.48 × 57,383.84
4. Step 4: Simplify right side
   89,159.60x = 7,065,298,076.56
5. Step 5: Solve for x
   x = 7,065,298,076.56/89,159.60
6. Step 6: Final answer
   x = 79,243.27