Finding the Fourth Proportional to 9,847.16, 14,768.82 and 2,921.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,847.16 : 14,768.82 = 2,921.72 : x
2. Step 2: Convert to fraction form
   9,847.16/14,768.82 = 2,921.72/x
3. Step 3: Cross multiply
   9,847.16x = 14,768.82 × 2,921.72
4. Step 4: Simplify right side
   9,847.16x = 43,150,356.77
5. Step 5: Solve for x
   x = 43,150,356.77/9,847.16
6. Step 6: Final answer
   x = 4,382.01