Finding the Fourth Proportional to 89,378.17, 123,342.91 and 49,092.89

Step by Step Solution

1. Step 1: Write the proportion equation
   89,378.17 : 123,342.91 = 49,092.89 : x
2. Step 2: Convert to fraction form
   89,378.17/123,342.91 = 49,092.89/x
3. Step 3: Cross multiply
   89,378.17x = 123,342.91 × 49,092.89
4. Step 4: Simplify right side
   89,378.17x = 6,055,259,173.46
5. Step 5: Solve for x
   x = 6,055,259,173.46/89,378.17
6. Step 6: Final answer
   x = 67,748.75