Finding the Fourth Proportional to 3,947.76, 5,922.86 and 1,756.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947.76 : 5,922.86 = 1,756.32 : x
2. Step 2: Convert to fraction form
   3,947.76/5,922.86 = 1,756.32/x
3. Step 3: Cross multiply
   3,947.76x = 5,922.86 × 1,756.32
4. Step 4: Simplify right side
   3,947.76x = 10,402,437.48
5. Step 5: Solve for x
   x = 10,402,437.48/3,947.76
6. Step 6: Final answer
   x = 2,635.02