Finding the Fourth Proportional to 6,522.18, 9,779.10 and 4,298.43

Step by Step Solution

1. Step 1: Write the proportion equation
   6,522.18 : 9,779.10 = 4,298.43 : x
2. Step 2: Convert to fraction form
   6,522.18/9,779.10 = 4,298.43/x
3. Step 3: Cross multiply
   6,522.18x = 9,779.10 × 4,298.43
4. Step 4: Simplify right side
   6,522.18x = 42,034,776.81
5. Step 5: Solve for x
   x = 42,034,776.81/6,522.18
6. Step 6: Final answer
   x = 6,444.90