Finding the Fourth Proportional to 2,516.08, 3,768.72 and 1,539.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.08 : 3,768.72 = 1,539.76 : x
2. Step 2: Convert to fraction form
   2,516.08/3,768.72 = 1,539.76/x
3. Step 3: Cross multiply
   2,516.08x = 3,768.72 × 1,539.76
4. Step 4: Simplify right side
   2,516.08x = 5,802,924.31
5. Step 5: Solve for x
   x = 5,802,924.31/2,516.08
6. Step 6: Final answer
   x = 2,306.34