Finding the Fourth Proportional to 2,372.16, 3,275.04 and 1,533.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,372.16 : 3,275.04 = 1,533.60 : x
2. Step 2: Convert to fraction form
   2,372.16/3,275.04 = 1,533.60/x
3. Step 3: Cross multiply
   2,372.16x = 3,275.04 × 1,533.60
4. Step 4: Simplify right side
   2,372.16x = 5,022,601.34
5. Step 5: Solve for x
   x = 5,022,601.34/2,372.16
6. Step 6: Final answer
   x = 2,117.31