Finding the Fourth Proportional to 2,076.30, 2,865.24 and 1,192.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.30 : 2,865.24 = 1,192.05 : x
2. Step 2: Convert to fraction form
   2,076.30/2,865.24 = 1,192.05/x
3. Step 3: Cross multiply
   2,076.30x = 2,865.24 × 1,192.05
4. Step 4: Simplify right side
   2,076.30x = 3,415,509.34
5. Step 5: Solve for x
   x = 3,415,509.34/2,076.30
6. Step 6: Final answer
   x = 1,645.00