Finding the Fourth Proportional to 983.83, 1,474.32 and 740.53

Step by Step Solution

1. Step 1: Write the proportion equation
   983.83 : 1,474.32 = 740.53 : x
2. Step 2: Convert to fraction form
   983.83/1,474.32 = 740.53/x
3. Step 3: Cross multiply
   983.83x = 1,474.32 × 740.53
4. Step 4: Simplify right side
   983.83x = 1,091,774.50
5. Step 5: Solve for x
   x = 1,091,774.50/983.83
6. Step 6: Final answer
   x = 1,109.72