Finding the Fourth Proportional to 1,062.45, 1,585.15 and 906.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.45 : 1,585.15 = 906.59 : x
2. Step 2: Convert to fraction form
   1,062.45/1,585.15 = 906.59/x
3. Step 3: Cross multiply
   1,062.45x = 1,585.15 × 906.59
4. Step 4: Simplify right side
   1,062.45x = 1,437,081.14
5. Step 5: Solve for x
   x = 1,437,081.14/1,062.45
6. Step 6: Final answer
   x = 1,352.61