Finding the Fourth Proportional to 2,573.96, 3,861.39 and 932.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.96 : 3,861.39 = 932.79 : x
2. Step 2: Convert to fraction form
   2,573.96/3,861.39 = 932.79/x
3. Step 3: Cross multiply
   2,573.96x = 3,861.39 × 932.79
4. Step 4: Simplify right side
   2,573.96x = 3,601,878.71
5. Step 5: Solve for x
   x = 3,601,878.71/2,573.96
6. Step 6: Final answer
   x = 1,399.36