Finding the Fourth Proportional to 2,897.78, 4,345.45 and 949.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,897.78 : 4,345.45 = 949.52 : x
2. Step 2: Convert to fraction form
   2,897.78/4,345.45 = 949.52/x
3. Step 3: Cross multiply
   2,897.78x = 4,345.45 × 949.52
4. Step 4: Simplify right side
   2,897.78x = 4,126,100.17
5. Step 5: Solve for x
   x = 4,126,100.17/2,897.78
6. Step 6: Final answer
   x = 1,423.89