Finding the Fourth Proportional to 2,516.58, 3,775.52 and 761.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.58 : 3,775.52 = 761.59 : x
2. Step 2: Convert to fraction form
   2,516.58/3,775.52 = 761.59/x
3. Step 3: Cross multiply
   2,516.58x = 3,775.52 × 761.59
4. Step 4: Simplify right side
   2,516.58x = 2,875,398.28
5. Step 5: Solve for x
   x = 2,875,398.28/2,516.58
6. Step 6: Final answer
   x = 1,142.58