Finding the Fourth Proportional to 2,510.01, 3,455.73 and 2,155.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.01 : 3,455.73 = 2,155.23 : x
2. Step 2: Convert to fraction form
   2,510.01/3,455.73 = 2,155.23/x
3. Step 3: Cross multiply
   2,510.01x = 3,455.73 × 2,155.23
4. Step 4: Simplify right side
   2,510.01x = 7,447,892.97
5. Step 5: Solve for x
   x = 7,447,892.97/2,510.01
6. Step 6: Final answer
   x = 2,967.28