Finding the Fourth Proportional to 1,300.92, 1,951.41 and 435.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.92 : 1,951.41 = 435.30 : x
2. Step 2: Convert to fraction form
   1,300.92/1,951.41 = 435.30/x
3. Step 3: Cross multiply
   1,300.92x = 1,951.41 × 435.30
4. Step 4: Simplify right side
   1,300.92x = 849,448.77
5. Step 5: Solve for x
   x = 849,448.77/1,300.92
6. Step 6: Final answer
   x = 652.96