Finding the Fourth Proportional to 1,065.34, 1,597.40 and 632.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065.34 : 1,597.40 = 632.80 : x
2. Step 2: Convert to fraction form
   1,065.34/1,597.40 = 632.80/x
3. Step 3: Cross multiply
   1,065.34x = 1,597.40 × 632.80
4. Step 4: Simplify right side
   1,065.34x = 1,010,834.72
5. Step 5: Solve for x
   x = 1,010,834.72/1,065.34
6. Step 6: Final answer
   x = 948.84