Finding the Fourth Proportional to 89,715.60, 123,807.89 and 49,427.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,715.60 : 123,807.89 = 49,427.42 : x
2. Step 2: Convert to fraction form
   89,715.60/123,807.89 = 49,427.42/x
3. Step 3: Cross multiply
   89,715.60x = 123,807.89 × 49,427.42
4. Step 4: Simplify right side
   89,715.60x = 6,119,504,082.87
5. Step 5: Solve for x
   x = 6,119,504,082.87/89,715.60
6. Step 6: Final answer
   x = 68,210.03