Finding the Fourth Proportional to 11,482.77, 17,242.98 and 7,758.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,482.77 : 17,242.98 = 7,758.42 : x
2. Step 2: Convert to fraction form
   11,482.77/17,242.98 = 7,758.42/x
3. Step 3: Cross multiply
   11,482.77x = 17,242.98 × 7,758.42
4. Step 4: Simplify right side
   11,482.77x = 133,778,280.89
5. Step 5: Solve for x
   x = 133,778,280.89/11,482.77
6. Step 6: Final answer
   x = 11,650.35