Finding the Fourth Proportional to 9,790.02, 14,686.91 and 3,947.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,790.02 : 14,686.91 = 3,947.22 : x
2. Step 2: Convert to fraction form
   9,790.02/14,686.91 = 3,947.22/x
3. Step 3: Cross multiply
   9,790.02x = 14,686.91 × 3,947.22
4. Step 4: Simplify right side
   9,790.02x = 57,972,445.15
5. Step 5: Solve for x
   x = 57,972,445.15/9,790.02
6. Step 6: Final answer
   x = 5,921.59