Finding the Fourth Proportional to 7,779.15, 10,735.37 and 4,242.35

Step by Step Solution

1. Step 1: Write the proportion equation
   7,779.15 : 10,735.37 = 4,242.35 : x
2. Step 2: Convert to fraction form
   7,779.15/10,735.37 = 4,242.35/x
3. Step 3: Cross multiply
   7,779.15x = 10,735.37 × 4,242.35
4. Step 4: Simplify right side
   7,779.15x = 45,543,196.92
5. Step 5: Solve for x
   x = 45,543,196.92/7,779.15
6. Step 6: Final answer
   x = 5,854.52