Finding the Fourth Proportional to 5,602.01, 7,722.59 and 3,918.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,602.01 : 7,722.59 = 3,918.17 : x
2. Step 2: Convert to fraction form
   5,602.01/7,722.59 = 3,918.17/x
3. Step 3: Cross multiply
   5,602.01x = 7,722.59 × 3,918.17
4. Step 4: Simplify right side
   5,602.01x = 30,258,420.18
5. Step 5: Solve for x
   x = 30,258,420.18/5,602.01
6. Step 6: Final answer
   x = 5,401.36