Finding the Fourth Proportional to 2,345.01, 3,517.56 and 613.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.01 : 3,517.56 = 613.59 : x
2. Step 2: Convert to fraction form
   2,345.01/3,517.56 = 613.59/x
3. Step 3: Cross multiply
   2,345.01x = 3,517.56 × 613.59
4. Step 4: Simplify right side
   2,345.01x = 2,158,339.64
5. Step 5: Solve for x
   x = 2,158,339.64/2,345.01
6. Step 6: Final answer
   x = 920.40