Finding the Fourth Proportional to 1,094.52, 1,510.46 and 628.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.52 : 1,510.46 = 628.80 : x
2. Step 2: Convert to fraction form
   1,094.52/1,510.46 = 628.80/x
3. Step 3: Cross multiply
   1,094.52x = 1,510.46 × 628.80
4. Step 4: Simplify right side
   1,094.52x = 949,777.25
5. Step 5: Solve for x
   x = 949,777.25/1,094.52
6. Step 6: Final answer
   x = 867.76