Finding the Fourth Proportional to 1,553.60, 2,139.36 and 1,468.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553.60 : 2,139.36 = 1,468.16 : x
2. Step 2: Convert to fraction form
   1,553.60/2,139.36 = 1,468.16/x
3. Step 3: Cross multiply
   1,553.60x = 2,139.36 × 1,468.16
4. Step 4: Simplify right side
   1,553.60x = 3,140,922.78
5. Step 5: Solve for x
   x = 3,140,922.78/1,553.60
6. Step 6: Final answer
   x = 2,021.71