Finding the Fourth Proportional to 1,652.52, 2,280.42 and 906.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,652.52 : 2,280.42 = 906.46 : x
2. Step 2: Convert to fraction form
   1,652.52/2,280.42 = 906.46/x
3. Step 3: Cross multiply
   1,652.52x = 2,280.42 × 906.46
4. Step 4: Simplify right side
   1,652.52x = 2,067,109.51
5. Step 5: Solve for x
   x = 2,067,109.51/1,652.52
6. Step 6: Final answer
   x = 1,250.88