Finding the Fourth Proportional to 1,526.83, 2,106.95 and 863.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,526.83 : 2,106.95 = 863.65 : x
2. Step 2: Convert to fraction form
   1,526.83/2,106.95 = 863.65/x
3. Step 3: Cross multiply
   1,526.83x = 2,106.95 × 863.65
4. Step 4: Simplify right side
   1,526.83x = 1,819,667.37
5. Step 5: Solve for x
   x = 1,819,667.37/1,526.83
6. Step 6: Final answer
   x = 1,191.79