Finding the Fourth Proportional to 1,300.98, 1,951.47 and 435.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.98 : 1,951.47 = 435.29 : x
2. Step 2: Convert to fraction form
   1,300.98/1,951.47 = 435.29/x
3. Step 3: Cross multiply
   1,300.98x = 1,951.47 × 435.29
4. Step 4: Simplify right side
   1,300.98x = 849,455.38
5. Step 5: Solve for x
   x = 849,455.38/1,300.98
6. Step 6: Final answer
   x = 652.94