Finding the Fourth Proportional to 1,300.96, 1,951.68 and 435.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.96 : 1,951.68 = 435.52 : x
2. Step 2: Convert to fraction form
   1,300.96/1,951.68 = 435.52/x
3. Step 3: Cross multiply
   1,300.96x = 1,951.68 × 435.52
4. Step 4: Simplify right side
   1,300.96x = 849,995.67
5. Step 5: Solve for x
   x = 849,995.67/1,300.96
6. Step 6: Final answer
   x = 653.36