Finding the Fourth Proportional to 89,460.42, 123,244.32 and 76,671.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,460.42 : 123,244.32 = 76,671.94 : x
2. Step 2: Convert to fraction form
   89,460.42/123,244.32 = 76,671.94/x
3. Step 3: Cross multiply
   89,460.42x = 123,244.32 × 76,671.94
4. Step 4: Simplify right side
   89,460.42x = 9,449,381,108.38
5. Step 5: Solve for x
   x = 9,449,381,108.38/89,460.42
6. Step 6: Final answer
   x = 105,626.39