Finding the Fourth Proportional to 2,345.96, 3,517.92 and 2,117.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.96 : 3,517.92 = 2,117.01 : x
2. Step 2: Convert to fraction form
   2,345.96/3,517.92 = 2,117.01/x
3. Step 3: Cross multiply
   2,345.96x = 3,517.92 × 2,117.01
4. Step 4: Simplify right side
   2,345.96x = 7,447,471.82
5. Step 5: Solve for x
   x = 7,447,471.82/2,345.96
6. Step 6: Final answer
   x = 3,174.59