Finding the Fourth Proportional to 2,779.53, 4,168.38 and 930.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,779.53 : 4,168.38 = 930.10 : x
2. Step 2: Convert to fraction form
   2,779.53/4,168.38 = 930.10/x
3. Step 3: Cross multiply
   2,779.53x = 4,168.38 × 930.10
4. Step 4: Simplify right side
   2,779.53x = 3,877,010.24
5. Step 5: Solve for x
   x = 3,877,010.24/2,779.53
6. Step 6: Final answer
   x = 1,394.84