Finding the Fourth Proportional to 1,928.48, 2,665.52 and 1,534.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.48 : 2,665.52 = 1,534.88 : x
2. Step 2: Convert to fraction form
   1,928.48/2,665.52 = 1,534.88/x
3. Step 3: Cross multiply
   1,928.48x = 2,665.52 × 1,534.88
4. Step 4: Simplify right side
   1,928.48x = 4,091,253.34
5. Step 5: Solve for x
   x = 4,091,253.34/1,928.48
6. Step 6: Final answer
   x = 2,121.49