Finding the Fourth Proportional to 3,549.88, 4,892.83 and 2,428.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,549.88 : 4,892.83 = 2,428.89 : x
2. Step 2: Convert to fraction form
   3,549.88/4,892.83 = 2,428.89/x
3. Step 3: Cross multiply
   3,549.88x = 4,892.83 × 2,428.89
4. Step 4: Simplify right side
   3,549.88x = 11,884,145.86
5. Step 5: Solve for x
   x = 11,884,145.86/3,549.88
6. Step 6: Final answer
   x = 3,347.76