Finding the Fourth Proportional to 1,098.56, 1,516.02 and 626.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098.56 : 1,516.02 = 626.46 : x
2. Step 2: Convert to fraction form
   1,098.56/1,516.02 = 626.46/x
3. Step 3: Cross multiply
   1,098.56x = 1,516.02 × 626.46
4. Step 4: Simplify right side
   1,098.56x = 949,725.89
5. Step 5: Solve for x
   x = 949,725.89/1,098.56
6. Step 6: Final answer
   x = 864.52