Finding the Fourth Proportional to 11,210.61, 16,807.71 and 3,813.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,210.61 : 16,807.71 = 3,813.08 : x
2. Step 2: Convert to fraction form
   11,210.61/16,807.71 = 3,813.08/x
3. Step 3: Cross multiply
   11,210.61x = 16,807.71 × 3,813.08
4. Step 4: Simplify right side
   11,210.61x = 64,089,142.85
5. Step 5: Solve for x
   x = 64,089,142.85/11,210.61
6. Step 6: Final answer
   x = 5,716.83