Finding the Fourth Proportional to 2,601.67, 3,904.70 and 1,042.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.67 : 3,904.70 = 1,042.77 : x
2. Step 2: Convert to fraction form
   2,601.67/3,904.70 = 1,042.77/x
3. Step 3: Cross multiply
   2,601.67x = 3,904.70 × 1,042.77
4. Step 4: Simplify right side
   2,601.67x = 4,071,704.02
5. Step 5: Solve for x
   x = 4,071,704.02/2,601.67
6. Step 6: Final answer
   x = 1,565.03