Finding the Fourth Proportional to 1,300.96, 1,950.72 and 435.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.96 : 1,950.72 = 435.04 : x
2. Step 2: Convert to fraction form
   1,300.96/1,950.72 = 435.04/x
3. Step 3: Cross multiply
   1,300.96x = 1,950.72 × 435.04
4. Step 4: Simplify right side
   1,300.96x = 848,641.23
5. Step 5: Solve for x
   x = 848,641.23/1,300.96
6. Step 6: Final answer
   x = 652.32