Finding the Fourth Proportional to 1,832.72, 2,529.20 and 1,004.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,832.72 : 2,529.20 = 1,004.72 : x
2. Step 2: Convert to fraction form
   1,832.72/2,529.20 = 1,004.72/x
3. Step 3: Cross multiply
   1,832.72x = 2,529.20 × 1,004.72
4. Step 4: Simplify right side
   1,832.72x = 2,541,137.82
5. Step 5: Solve for x
   x = 2,541,137.82/1,832.72
6. Step 6: Final answer
   x = 1,386.54