Finding the Fourth Proportional to 1,410.72, 1,947.36 and 1,277.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.72 : 1,947.36 = 1,277.34 : x
2. Step 2: Convert to fraction form
   1,410.72/1,947.36 = 1,277.34/x
3. Step 3: Cross multiply
   1,410.72x = 1,947.36 × 1,277.34
4. Step 4: Simplify right side
   1,410.72x = 2,487,440.82
5. Step 5: Solve for x
   x = 2,487,440.82/1,410.72
6. Step 6: Final answer
   x = 1,763.24