Finding the Fourth Proportional to 2,355.89, 3,534.24 and 969.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.89 : 3,534.24 = 969.98 : x
2. Step 2: Convert to fraction form
   2,355.89/3,534.24 = 969.98/x
3. Step 3: Cross multiply
   2,355.89x = 3,534.24 × 969.98
4. Step 4: Simplify right side
   2,355.89x = 3,428,142.12
5. Step 5: Solve for x
   x = 3,428,142.12/2,355.89
6. Step 6: Final answer
   x = 1,455.14