Finding the Fourth Proportional to 11,886.07, 16,406.90 and 7,352.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,886.07 : 16,406.90 = 7,352.22 : x
2. Step 2: Convert to fraction form
   11,886.07/16,406.90 = 7,352.22/x
3. Step 3: Cross multiply
   11,886.07x = 16,406.90 × 7,352.22
4. Step 4: Simplify right side
   11,886.07x = 120,627,138.32
5. Step 5: Solve for x
   x = 120,627,138.32/11,886.07
6. Step 6: Final answer
   x = 10,148.61