Finding the Fourth Proportional to 11,386.02, 17,078.42 and 3,488.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,386.02 : 17,078.42 = 3,488.54 : x
2. Step 2: Convert to fraction form
   11,386.02/17,078.42 = 3,488.54/x
3. Step 3: Cross multiply
   11,386.02x = 17,078.42 × 3,488.54
4. Step 4: Simplify right side
   11,386.02x = 59,578,751.31
5. Step 5: Solve for x
   x = 59,578,751.31/11,386.02
6. Step 6: Final answer
   x = 5,232.62