Finding the Fourth Proportional to 1,101.84, 1,520.12 and 703.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,101.84 : 1,520.12 = 703.43 : x
2. Step 2: Convert to fraction form
   1,101.84/1,520.12 = 703.43/x
3. Step 3: Cross multiply
   1,101.84x = 1,520.12 × 703.43
4. Step 4: Simplify right side
   1,101.84x = 1,069,286.89
5. Step 5: Solve for x
   x = 1,069,286.89/1,101.84
6. Step 6: Final answer
   x = 970.46