Finding the Fourth Proportional to 2,320.86, 3,203.04 and 1,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.86 : 3,203.04 = 1,612.50 : x
2. Step 2: Convert to fraction form
   2,320.86/3,203.04 = 1,612.50/x
3. Step 3: Cross multiply
   2,320.86x = 3,203.04 × 1,612.50
4. Step 4: Simplify right side
   2,320.86x = 5,164,902
5. Step 5: Solve for x
   x = 5,164,902/2,320.86
6. Step 6: Final answer
   x = 2,225.43