Finding the Fourth Proportional to 1,301.67, 1,952.52 and 435.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.67 : 1,952.52 = 435.98 : x
2. Step 2: Convert to fraction form
   1,301.67/1,952.52 = 435.98/x
3. Step 3: Cross multiply
   1,301.67x = 1,952.52 × 435.98
4. Step 4: Simplify right side
   1,301.67x = 851,259.67
5. Step 5: Solve for x
   x = 851,259.67/1,301.67
6. Step 6: Final answer
   x = 653.98