Finding the Fourth Proportional to 2,342.76, 3,513.87 and 611.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,342.76 : 3,513.87 = 611.52 : x
2. Step 2: Convert to fraction form
   2,342.76/3,513.87 = 611.52/x
3. Step 3: Cross multiply
   2,342.76x = 3,513.87 × 611.52
4. Step 4: Simplify right side
   2,342.76x = 2,148,801.78
5. Step 5: Solve for x
   x = 2,148,801.78/2,342.76
6. Step 6: Final answer
   x = 917.21