Finding the Fourth Proportional to 1,509.33, 2,082.52 and 879.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,509.33 : 2,082.52 = 879.48 : x
2. Step 2: Convert to fraction form
   1,509.33/2,082.52 = 879.48/x
3. Step 3: Cross multiply
   1,509.33x = 2,082.52 × 879.48
4. Step 4: Simplify right side
   1,509.33x = 1,831,534.69
5. Step 5: Solve for x
   x = 1,831,534.69/1,509.33
6. Step 6: Final answer
   x = 1,213.48