Finding the Fourth Proportional to 2,632.35, 3,948.01 and 988.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.35 : 3,948.01 = 988.34 : x
2. Step 2: Convert to fraction form
   2,632.35/3,948.01 = 988.34/x
3. Step 3: Cross multiply
   2,632.35x = 3,948.01 × 988.34
4. Step 4: Simplify right side
   2,632.35x = 3,901,976.20
5. Step 5: Solve for x
   x = 3,901,976.20/2,632.35
6. Step 6: Final answer
   x = 1,482.32