Finding the Fourth Proportional to 1,976.72, 2,961.12 and 1,025.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.72 : 2,961.12 = 1,025.24 : x
2. Step 2: Convert to fraction form
   1,976.72/2,961.12 = 1,025.24/x
3. Step 3: Cross multiply
   1,976.72x = 2,961.12 × 1,025.24
4. Step 4: Simplify right side
   1,976.72x = 3,035,858.67
5. Step 5: Solve for x
   x = 3,035,858.67/1,976.72
6. Step 6: Final answer
   x = 1,535.81