Finding the Fourth Proportional to 9,260.27, 12,779.50 and 5,068.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,260.27 : 12,779.50 = 5,068.55 : x
2. Step 2: Convert to fraction form
   9,260.27/12,779.50 = 5,068.55/x
3. Step 3: Cross multiply
   9,260.27x = 12,779.50 × 5,068.55
4. Step 4: Simplify right side
   9,260.27x = 64,773,509.38
5. Step 5: Solve for x
   x = 64,773,509.38/9,260.27
6. Step 6: Final answer
   x = 6,994.78