Finding the Fourth Proportional to 2,333.04, 3,219.52 and 1,388.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.04 : 3,219.52 = 1,388.62 : x
2. Step 2: Convert to fraction form
   2,333.04/3,219.52 = 1,388.62/x
3. Step 3: Cross multiply
   2,333.04x = 3,219.52 × 1,388.62
4. Step 4: Simplify right side
   2,333.04x = 4,470,689.86
5. Step 5: Solve for x
   x = 4,470,689.86/2,333.04
6. Step 6: Final answer
   x = 1,916.25