Finding the Fourth Proportional to 89,433.84, 123,416.20 and 49,147.59

Step by Step Solution

1. Step 1: Write the proportion equation
   89,433.84 : 123,416.20 = 49,147.59 : x
2. Step 2: Convert to fraction form
   89,433.84/123,416.20 = 49,147.59/x
3. Step 3: Cross multiply
   89,433.84x = 123,416.20 × 49,147.59
4. Step 4: Simplify right side
   89,433.84x = 6,065,608,796.96
5. Step 5: Solve for x
   x = 6,065,608,796.96/89,433.84
6. Step 6: Final answer
   x = 67,822.30