Finding the Fourth Proportional to 2,356.76, 3,533.52 and 969.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.76 : 3,533.52 = 969.72 : x
2. Step 2: Convert to fraction form
   2,356.76/3,533.52 = 969.72/x
3. Step 3: Cross multiply
   2,356.76x = 3,533.52 × 969.72
4. Step 4: Simplify right side
   2,356.76x = 3,426,525.01
5. Step 5: Solve for x
   x = 3,426,525.01/2,356.76
6. Step 6: Final answer
   x = 1,453.91