Finding the Fourth Proportional to 2,003.52, 2,765.12 and 1,916.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.52 : 2,765.12 = 1,916.16 : x
2. Step 2: Convert to fraction form
   2,003.52/2,765.12 = 1,916.16/x
3. Step 3: Cross multiply
   2,003.52x = 2,765.12 × 1,916.16
4. Step 4: Simplify right side
   2,003.52x = 5,298,412.34
5. Step 5: Solve for x
   x = 5,298,412.34/2,003.52
6. Step 6: Final answer
   x = 2,644.55