Finding the Fourth Proportional to 89,438.15, 123,426.92 and 49,152.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,438.15 : 123,426.92 = 49,152.94 : x
2. Step 2: Convert to fraction form
   89,438.15/123,426.92 = 49,152.94/x
3. Step 3: Cross multiply
   89,438.15x = 123,426.92 × 49,152.94
4. Step 4: Simplify right side
   89,438.15x = 6,066,795,807.46
5. Step 5: Solve for x
   x = 6,066,795,807.46/89,438.15
6. Step 6: Final answer
   x = 67,832.30