Finding the Fourth Proportional to 2,449.34, 3,674.70 and 988.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,449.34 : 3,674.70 = 988.16 : x
2. Step 2: Convert to fraction form
   2,449.34/3,674.70 = 988.16/x
3. Step 3: Cross multiply
   2,449.34x = 3,674.70 × 988.16
4. Step 4: Simplify right side
   2,449.34x = 3,631,191.55
5. Step 5: Solve for x
   x = 3,631,191.55/2,449.34
6. Step 6: Final answer
   x = 1,482.52