Finding the Fourth Proportional to 1,921.59, 2,652.27 and 1,362.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,921.59 : 2,652.27 = 1,362.15 : x
2. Step 2: Convert to fraction form
   1,921.59/2,652.27 = 1,362.15/x
3. Step 3: Cross multiply
   1,921.59x = 2,652.27 × 1,362.15
4. Step 4: Simplify right side
   1,921.59x = 3,612,789.58
5. Step 5: Solve for x
   x = 3,612,789.58/1,921.59
6. Step 6: Final answer
   x = 1,880.10