Finding the Fourth Proportional to 11,649.90, 16,068.18 and 7,397.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,649.90 : 16,068.18 = 7,397.28 : x
2. Step 2: Convert to fraction form
   11,649.90/16,068.18 = 7,397.28/x
3. Step 3: Cross multiply
   11,649.90x = 16,068.18 × 7,397.28
4. Step 4: Simplify right side
   11,649.90x = 118,860,826.55
5. Step 5: Solve for x
   x = 118,860,826.55/11,649.90
6. Step 6: Final answer
   x = 10,202.73