Finding the Fourth Proportional to 89,176, 123,062.88 and 49,432

Step by Step Solution

1. Step 1: Write the proportion equation
   89,176 : 123,062.88 = 49,432 : x
2. Step 2: Convert to fraction form
   89,176/123,062.88 = 49,432/x
3. Step 3: Cross multiply
   89,176x = 123,062.88 × 49,432
4. Step 4: Simplify right side
   89,176x = 6,083,244,284.16
5. Step 5: Solve for x
   x = 6,083,244,284.16/89,176
6. Step 6: Final answer
   x = 68,216.16