Finding the Fourth Proportional to 1,526.34, 2,106.32 and 863.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,526.34 : 2,106.32 = 863.18 : x
2. Step 2: Convert to fraction form
   1,526.34/2,106.32 = 863.18/x
3. Step 3: Cross multiply
   1,526.34x = 2,106.32 × 863.18
4. Step 4: Simplify right side
   1,526.34x = 1,818,133.30
5. Step 5: Solve for x
   x = 1,818,133.30/1,526.34
6. Step 6: Final answer
   x = 1,191.17