Finding the Fourth Proportional to 1,300.30, 1,950.24 and 434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.30 : 1,950.24 = 434.50 : x
2. Step 2: Convert to fraction form
   1,300.30/1,950.24 = 434.50/x
3. Step 3: Cross multiply
   1,300.30x = 1,950.24 × 434.50
4. Step 4: Simplify right side
   1,300.30x = 847,379.28
5. Step 5: Solve for x
   x = 847,379.28/1,300.30
6. Step 6: Final answer
   x = 651.68