Finding the Fourth Proportional to 2,632.10, 3,947.96 and 988.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.10 : 3,947.96 = 988.52 : x
2. Step 2: Convert to fraction form
   2,632.10/3,947.96 = 988.52/x
3. Step 3: Cross multiply
   2,632.10x = 3,947.96 × 988.52
4. Step 4: Simplify right side
   2,632.10x = 3,902,637.42
5. Step 5: Solve for x
   x = 3,902,637.42/2,632.10
6. Step 6: Final answer
   x = 1,482.71