Finding the Fourth Proportional to 2,330.05, 3,215.01 and 1,543.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,330.05 : 3,215.01 = 1,543.63 : x
2. Step 2: Convert to fraction form
   2,330.05/3,215.01 = 1,543.63/x
3. Step 3: Cross multiply
   2,330.05x = 3,215.01 × 1,543.63
4. Step 4: Simplify right side
   2,330.05x = 4,962,785.89
5. Step 5: Solve for x
   x = 4,962,785.89/2,330.05
6. Step 6: Final answer
   x = 2,129.91