Finding the Fourth Proportional to 1,921.27, 2,868.86 and 1,526.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,921.27 : 2,868.86 = 1,526.83 : x
2. Step 2: Convert to fraction form
   1,921.27/2,868.86 = 1,526.83/x
3. Step 3: Cross multiply
   1,921.27x = 2,868.86 × 1,526.83
4. Step 4: Simplify right side
   1,921.27x = 4,380,261.51
5. Step 5: Solve for x
   x = 4,380,261.51/1,921.27
6. Step 6: Final answer
   x = 2,279.88