Finding the Fourth Proportional to 2,215.09, 3,055.61 and 1,552.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215.09 : 3,055.61 = 1,552.93 : x
2. Step 2: Convert to fraction form
   2,215.09/3,055.61 = 1,552.93/x
3. Step 3: Cross multiply
   2,215.09x = 3,055.61 × 1,552.93
4. Step 4: Simplify right side
   2,215.09x = 4,745,140.67
5. Step 5: Solve for x
   x = 4,745,140.67/2,215.09
6. Step 6: Final answer
   x = 2,142.19