Finding the Fourth Proportional to 1,412.50, 2,118.72 and 632.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.50 : 2,118.72 = 632.32 : x
2. Step 2: Convert to fraction form
   1,412.50/2,118.72 = 632.32/x
3. Step 3: Cross multiply
   1,412.50x = 2,118.72 × 632.32
4. Step 4: Simplify right side
   1,412.50x = 1,339,709.03
5. Step 5: Solve for x
   x = 1,339,709.03/1,412.50
6. Step 6: Final answer
   x = 948.47