Finding the Fourth Proportional to 11,300.40, 15,586.79 and 7,757.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,300.40 : 15,586.79 = 7,757.46 : x
2. Step 2: Convert to fraction form
   11,300.40/15,586.79 = 7,757.46/x
3. Step 3: Cross multiply
   11,300.40x = 15,586.79 × 7,757.46
4. Step 4: Simplify right side
   11,300.40x = 120,913,899.95
5. Step 5: Solve for x
   x = 120,913,899.95/11,300.40
6. Step 6: Final answer
   x = 10,699.97