Finding the Fourth Proportional to 89,476.88, 123,475.62 and 49,190.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,476.88 : 123,475.62 = 49,190.72 : x
2. Step 2: Convert to fraction form
   89,476.88/123,475.62 = 49,190.72/x
3. Step 3: Cross multiply
   89,476.88x = 123,475.62 × 49,190.72
4. Step 4: Simplify right side
   89,476.88x = 6,073,854,650.25
5. Step 5: Solve for x
   x = 6,073,854,650.25/89,476.88
6. Step 6: Final answer
   x = 67,881.83