Finding the Fourth Proportional to 2,115.60, 2,916.42 and 1,484.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115.60 : 2,916.42 = 1,484.22 : x
2. Step 2: Convert to fraction form
   2,115.60/2,916.42 = 1,484.22/x
3. Step 3: Cross multiply
   2,115.60x = 2,916.42 × 1,484.22
4. Step 4: Simplify right side
   2,115.60x = 4,328,608.89
5. Step 5: Solve for x
   x = 4,328,608.89/2,115.60
6. Step 6: Final answer
   x = 2,046.04