Finding the Fourth Proportional to 3,935.16, 5,892.21 and 3,468.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,935.16 : 5,892.21 = 3,468.15 : x
2. Step 2: Convert to fraction form
   3,935.16/5,892.21 = 3,468.15/x
3. Step 3: Cross multiply
   3,935.16x = 5,892.21 × 3,468.15
4. Step 4: Simplify right side
   3,935.16x = 20,435,068.11
5. Step 5: Solve for x
   x = 20,435,068.11/3,935.16
6. Step 6: Final answer
   x = 5,192.94