Finding the Fourth Proportional to 6,462.83, 9,699.11 and 4,377.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,462.83 : 9,699.11 = 4,377.89 : x
2. Step 2: Convert to fraction form
   6,462.83/9,699.11 = 4,377.89/x
3. Step 3: Cross multiply
   6,462.83x = 9,699.11 × 4,377.89
4. Step 4: Simplify right side
   6,462.83x = 42,461,566.29
5. Step 5: Solve for x
   x = 42,461,566.29/6,462.83
6. Step 6: Final answer
   x = 6,570.12