Finding the Fourth Proportional to 89,333.67, 123,280.72 and 49,050.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,333.67 : 123,280.72 = 49,050.05 : x
2. Step 2: Convert to fraction form
   89,333.67/123,280.72 = 49,050.05/x
3. Step 3: Cross multiply
   89,333.67x = 123,280.72 × 49,050.05
4. Step 4: Simplify right side
   89,333.67x = 6,046,924,741.01
5. Step 5: Solve for x
   x = 6,046,924,741.01/89,333.67
6. Step 6: Final answer
   x = 67,689.20