Finding the Fourth Proportional to 9,917.94, 13,688.56 and 5,938.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,917.94 : 13,688.56 = 5,938.22 : x
2. Step 2: Convert to fraction form
   9,917.94/13,688.56 = 5,938.22/x
3. Step 3: Cross multiply
   9,917.94x = 13,688.56 × 5,938.22
4. Step 4: Simplify right side
   9,917.94x = 81,285,680.76
5. Step 5: Solve for x
   x = 81,285,680.76/9,917.94
6. Step 6: Final answer
   x = 8,195.82