Finding the Fourth Proportional to 1,337.02, 2,007.15 and 852.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.02 : 2,007.15 = 852.10 : x
2. Step 2: Convert to fraction form
   1,337.02/2,007.15 = 852.10/x
3. Step 3: Cross multiply
   1,337.02x = 2,007.15 × 852.10
4. Step 4: Simplify right side
   1,337.02x = 1,710,292.52
5. Step 5: Solve for x
   x = 1,710,292.52/1,337.02
6. Step 6: Final answer
   x = 1,279.18