Finding the Fourth Proportional to 1,106.04, 1,526.46 and 686.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106.04 : 1,526.46 = 686.52 : x
2. Step 2: Convert to fraction form
   1,106.04/1,526.46 = 686.52/x
3. Step 3: Cross multiply
   1,106.04x = 1,526.46 × 686.52
4. Step 4: Simplify right side
   1,106.04x = 1,047,945.32
5. Step 5: Solve for x
   x = 1,047,945.32/1,106.04
6. Step 6: Final answer
   x = 947.48