Finding the Fourth Proportional to 2,113.50, 3,169.70 and 632.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.50 : 3,169.70 = 632.37 : x
2. Step 2: Convert to fraction form
   2,113.50/3,169.70 = 632.37/x
3. Step 3: Cross multiply
   2,113.50x = 3,169.70 × 632.37
4. Step 4: Simplify right side
   2,113.50x = 2,004,407.34
5. Step 5: Solve for x
   x = 2,004,407.34/2,113.50
6. Step 6: Final answer
   x = 948.39