Finding the Fourth Proportional to 11,365.31, 17,034.62 and 5,118.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,365.31 : 17,034.62 = 5,118.01 : x
2. Step 2: Convert to fraction form
   11,365.31/17,034.62 = 5,118.01/x
3. Step 3: Cross multiply
   11,365.31x = 17,034.62 × 5,118.01
4. Step 4: Simplify right side
   11,365.31x = 87,183,355.51
5. Step 5: Solve for x
   x = 87,183,355.51/11,365.31
6. Step 6: Final answer
   x = 7,671.01