Finding the Fourth Proportional to 1,062.35, 1,591.63 and 906.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.35 : 1,591.63 = 906.69 : x
2. Step 2: Convert to fraction form
   1,062.35/1,591.63 = 906.69/x
3. Step 3: Cross multiply
   1,062.35x = 1,591.63 × 906.69
4. Step 4: Simplify right side
   1,062.35x = 1,443,115.00
5. Step 5: Solve for x
   x = 1,443,115.00/1,062.35
6. Step 6: Final answer
   x = 1,358.42