Finding the Fourth Proportional to 3,776.62, 5,210.06 and 2,516.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776.62 : 5,210.06 = 2,516.45 : x
2. Step 2: Convert to fraction form
   3,776.62/5,210.06 = 2,516.45/x
3. Step 3: Cross multiply
   3,776.62x = 5,210.06 × 2,516.45
4. Step 4: Simplify right side
   3,776.62x = 13,110,825.32
5. Step 5: Solve for x
   x = 13,110,825.32/3,776.62
6. Step 6: Final answer
   x = 3,471.58