Finding the Fourth Proportional to 11,880.52, 17,825.00 and 5,645.51

Step by Step Solution

1. Step 1: Write the proportion equation
   11,880.52 : 17,825.00 = 5,645.51 : x
2. Step 2: Convert to fraction form
   11,880.52/17,825.00 = 5,645.51/x
3. Step 3: Cross multiply
   11,880.52x = 17,825.00 × 5,645.51
4. Step 4: Simplify right side
   11,880.52x = 100,631,265.51
5. Step 5: Solve for x
   x = 100,631,265.51/11,880.52
6. Step 6: Final answer
   x = 8,470.27