Finding the Fourth Proportional to 1,442.52, 1,990.56 and 852.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,442.52 : 1,990.56 = 852.93 : x
2. Step 2: Convert to fraction form
   1,442.52/1,990.56 = 852.93/x
3. Step 3: Cross multiply
   1,442.52x = 1,990.56 × 852.93
4. Step 4: Simplify right side
   1,442.52x = 1,697,808.34
5. Step 5: Solve for x
   x = 1,697,808.34/1,442.52
6. Step 6: Final answer
   x = 1,176.97