Finding the Fourth Proportional to 3,123.25, 4,684.72 and 1,043.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.25 : 4,684.72 = 1,043.47 : x
2. Step 2: Convert to fraction form
   3,123.25/4,684.72 = 1,043.47/x
3. Step 3: Cross multiply
   3,123.25x = 4,684.72 × 1,043.47
4. Step 4: Simplify right side
   3,123.25x = 4,888,364.78
5. Step 5: Solve for x
   x = 4,888,364.78/3,123.25
6. Step 6: Final answer
   x = 1,565.15