Finding the Fourth Proportional to 9,897.17, 14,846.21 and 5,511.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,897.17 : 14,846.21 = 5,511.32 : x
2. Step 2: Convert to fraction form
   9,897.17/14,846.21 = 5,511.32/x
3. Step 3: Cross multiply
   9,897.17x = 14,846.21 × 5,511.32
4. Step 4: Simplify right side
   9,897.17x = 81,822,112.31
5. Step 5: Solve for x
   x = 81,822,112.31/9,897.17
6. Step 6: Final answer
   x = 8,267.23