Finding the Fourth Proportional to 1,526.30, 2,106.27 and 863.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,526.30 : 2,106.27 = 863.13 : x
2. Step 2: Convert to fraction form
   1,526.30/2,106.27 = 863.13/x
3. Step 3: Cross multiply
   1,526.30x = 2,106.27 × 863.13
4. Step 4: Simplify right side
   1,526.30x = 1,817,984.83
5. Step 5: Solve for x
   x = 1,817,984.83/1,526.30
6. Step 6: Final answer
   x = 1,191.11