Finding the Fourth Proportional to 9,917.01, 13,685.46 and 5,440.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,917.01 : 13,685.46 = 5,440.83 : x
2. Step 2: Convert to fraction form
   9,917.01/13,685.46 = 5,440.83/x
3. Step 3: Cross multiply
   9,917.01x = 13,685.46 × 5,440.83
4. Step 4: Simplify right side
   9,917.01x = 74,460,261.33
5. Step 5: Solve for x
   x = 74,460,261.33/9,917.01
6. Step 6: Final answer
   x = 7,508.34