Finding the Fourth Proportional to 89,184.06, 123,089.60 and 67,744.78

Step by Step Solution

1. Step 1: Write the proportion equation
   89,184.06 : 123,089.60 = 67,744.78 : x
2. Step 2: Convert to fraction form
   89,184.06/123,089.60 = 67,744.78/x
3. Step 3: Cross multiply
   89,184.06x = 123,089.60 × 67,744.78
4. Step 4: Simplify right side
   89,184.06x = 8,338,677,733.93
5. Step 5: Solve for x
   x = 8,338,677,733.93/89,184.06
6. Step 6: Final answer
   x = 93,499.64