Finding the Fourth Proportional to 6,773.80, 10,156.56 and 4,430.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,773.80 : 10,156.56 = 4,430.96 : x
2. Step 2: Convert to fraction form
   6,773.80/10,156.56 = 4,430.96/x
3. Step 3: Cross multiply
   6,773.80x = 10,156.56 × 4,430.96
4. Step 4: Simplify right side
   6,773.80x = 45,003,311.10
5. Step 5: Solve for x
   x = 45,003,311.10/6,773.80
6. Step 6: Final answer
   x = 6,643.73