Finding the Fourth Proportional to 1,097.18, 1,513.02 and 703.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097.18 : 1,513.02 = 703.52 : x
2. Step 2: Convert to fraction form
   1,097.18/1,513.02 = 703.52/x
3. Step 3: Cross multiply
   1,097.18x = 1,513.02 × 703.52
4. Step 4: Simplify right side
   1,097.18x = 1,064,439.83
5. Step 5: Solve for x
   x = 1,064,439.83/1,097.18
6. Step 6: Final answer
   x = 970.16