Finding the Fourth Proportional to 3,850.76, 5,316.33 and 2,526.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,850.76 : 5,316.33 = 2,526.78 : x
2. Step 2: Convert to fraction form
   3,850.76/5,316.33 = 2,526.78/x
3. Step 3: Cross multiply
   3,850.76x = 5,316.33 × 2,526.78
4. Step 4: Simplify right side
   3,850.76x = 13,433,195.82
5. Step 5: Solve for x
   x = 13,433,195.82/3,850.76
6. Step 6: Final answer
   x = 3,488.46