Finding the Fourth Proportional to 9,899.42, 14,828.47 and 5,938.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,899.42 : 14,828.47 = 5,938.12 : x
2. Step 2: Convert to fraction form
   9,899.42/14,828.47 = 5,938.12/x
3. Step 3: Cross multiply
   9,899.42x = 14,828.47 × 5,938.12
4. Step 4: Simplify right side
   9,899.42x = 88,053,234.28
5. Step 5: Solve for x
   x = 88,053,234.28/9,899.42
6. Step 6: Final answer
   x = 8,894.79