Finding the Fourth Proportional to 2,779.61, 4,168.01 and 930.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,779.61 : 4,168.01 = 930.06 : x
2. Step 2: Convert to fraction form
   2,779.61/4,168.01 = 930.06/x
3. Step 3: Cross multiply
   2,779.61x = 4,168.01 × 930.06
4. Step 4: Simplify right side
   2,779.61x = 3,876,494.73
5. Step 5: Solve for x
   x = 3,876,494.73/2,779.61
6. Step 6: Final answer
   x = 1,394.62