Finding the Fourth Proportional to 9,260.50, 12,779.50 and 5,068.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,260.50 : 12,779.50 = 5,068.76 : x
2. Step 2: Convert to fraction form
   9,260.50/12,779.50 = 5,068.76/x
3. Step 3: Cross multiply
   9,260.50x = 12,779.50 × 5,068.76
4. Step 4: Simplify right side
   9,260.50x = 64,776,218.42
5. Step 5: Solve for x
   x = 64,776,218.42/9,260.50
6. Step 6: Final answer
   x = 6,994.89