Finding the Fourth Proportional to 6,418.51, 8,857.59 and 3,693.46

Step by Step Solution

1. Step 1: Write the proportion equation
   6,418.51 : 8,857.59 = 3,693.46 : x
2. Step 2: Convert to fraction form
   6,418.51/8,857.59 = 3,693.46/x
3. Step 3: Cross multiply
   6,418.51x = 8,857.59 × 3,693.46
4. Step 4: Simplify right side
   6,418.51x = 32,715,154.36
5. Step 5: Solve for x
   x = 32,715,154.36/6,418.51
6. Step 6: Final answer
   x = 5,097.00