Finding the Fourth Proportional to 3,123.83, 4,685.32 and 1,043.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.83 : 4,685.32 = 1,043.79 : x
2. Step 2: Convert to fraction form
   3,123.83/4,685.32 = 1,043.79/x
3. Step 3: Cross multiply
   3,123.83x = 4,685.32 × 1,043.79
4. Step 4: Simplify right side
   3,123.83x = 4,890,490.16
5. Step 5: Solve for x
   x = 4,890,490.16/3,123.83
6. Step 6: Final answer
   x = 1,565.54