Finding the Fourth Proportional to 867.10, 1,301.82 and 852.52

Step by Step Solution

1. Step 1: Write the proportion equation
   867.10 : 1,301.82 = 852.52 : x
2. Step 2: Convert to fraction form
   867.10/1,301.82 = 852.52/x
3. Step 3: Cross multiply
   867.10x = 1,301.82 × 852.52
4. Step 4: Simplify right side
   867.10x = 1,109,827.59
5. Step 5: Solve for x
   x = 1,109,827.59/867.10
6. Step 6: Final answer
   x = 1,279.93