Finding the Fourth Proportional to 2,219.54, 3,333.96 and 2,145.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.54 : 3,333.96 = 2,145.83 : x
2. Step 2: Convert to fraction form
   2,219.54/3,333.96 = 2,145.83/x
3. Step 3: Cross multiply
   2,219.54x = 3,333.96 × 2,145.83
4. Step 4: Simplify right side
   2,219.54x = 7,154,094.72
5. Step 5: Solve for x
   x = 7,154,094.72/2,219.54
6. Step 6: Final answer
   x = 3,223.24