Finding the Fourth Proportional to 11,807.03, 17,699.41 and 5,878.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,807.03 : 17,699.41 = 5,878.31 : x
2. Step 2: Convert to fraction form
   11,807.03/17,699.41 = 5,878.31/x
3. Step 3: Cross multiply
   11,807.03x = 17,699.41 × 5,878.31
4. Step 4: Simplify right side
   11,807.03x = 104,042,589.41
5. Step 5: Solve for x
   x = 104,042,589.41/11,807.03
6. Step 6: Final answer
   x = 8,811.92