Finding the Fourth Proportional to 2,320.86, 3,483.12 and 1,225.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.86 : 3,483.12 = 1,225.62 : x
2. Step 2: Convert to fraction form
   2,320.86/3,483.12 = 1,225.62/x
3. Step 3: Cross multiply
   2,320.86x = 3,483.12 × 1,225.62
4. Step 4: Simplify right side
   2,320.86x = 4,268,981.53
5. Step 5: Solve for x
   x = 4,268,981.53/2,320.86
6. Step 6: Final answer
   x = 1,839.40