Finding the Fourth Proportional to 2,632.03, 3,947.50 and 988.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.03 : 3,947.50 = 988.54 : x
2. Step 2: Convert to fraction form
   2,632.03/3,947.50 = 988.54/x
3. Step 3: Cross multiply
   2,632.03x = 3,947.50 × 988.54
4. Step 4: Simplify right side
   2,632.03x = 3,902,249.31
5. Step 5: Solve for x
   x = 3,902,249.31/2,632.03
6. Step 6: Final answer
   x = 1,482.60