Finding the Fourth Proportional to 28,059.77, 42,096.13 and 8,337.89

Step by Step Solution

1. Step 1: Write the proportion equation
   28,059.77 : 42,096.13 = 8,337.89 : x
2. Step 2: Convert to fraction form
   28,059.77/42,096.13 = 8,337.89/x
3. Step 3: Cross multiply
   28,059.77x = 42,096.13 × 8,337.89
4. Step 4: Simplify right side
   28,059.77x = 350,992,670.04
5. Step 5: Solve for x
   x = 350,992,670.04/28,059.77
6. Step 6: Final answer
   x = 12,508.75