Finding the Fourth Proportional to 10,897.45, 16,343.74 and 5,053.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,897.45 : 16,343.74 = 5,053.30 : x
2. Step 2: Convert to fraction form
   10,897.45/16,343.74 = 5,053.30/x
3. Step 3: Cross multiply
   10,897.45x = 16,343.74 × 5,053.30
4. Step 4: Simplify right side
   10,897.45x = 82,589,821.34
5. Step 5: Solve for x
   x = 82,589,821.34/10,897.45
6. Step 6: Final answer
   x = 7,578.82