Finding the Fourth Proportional to 2,448.52, 3,670.34 and 988.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.52 : 3,670.34 = 988.49 : x
2. Step 2: Convert to fraction form
   2,448.52/3,670.34 = 988.49/x
3. Step 3: Cross multiply
   2,448.52x = 3,670.34 × 988.49
4. Step 4: Simplify right side
   2,448.52x = 3,628,094.39
5. Step 5: Solve for x
   x = 3,628,094.39/2,448.52
6. Step 6: Final answer
   x = 1,481.75