Finding the Fourth Proportional to 1,200.02, 1,654.58 and 835.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.02 : 1,654.58 = 835.31 : x
2. Step 2: Convert to fraction form
   1,200.02/1,654.58 = 835.31/x
3. Step 3: Cross multiply
   1,200.02x = 1,654.58 × 835.31
4. Step 4: Simplify right side
   1,200.02x = 1,382,088.75
5. Step 5: Solve for x
   x = 1,382,088.75/1,200.02
6. Step 6: Final answer
   x = 1,151.73