Finding the Fourth Proportional to 2,312.01, 3,468.83 and 1,445.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,312.01 : 3,468.83 = 1,445.31 : x
2. Step 2: Convert to fraction form
   2,312.01/3,468.83 = 1,445.31/x
3. Step 3: Cross multiply
   2,312.01x = 3,468.83 × 1,445.31
4. Step 4: Simplify right side
   2,312.01x = 5,013,527.46
5. Step 5: Solve for x
   x = 5,013,527.46/2,312.01
6. Step 6: Final answer
   x = 2,168.47