Finding the Fourth Proportional to 9,899.16, 14,832.52 and 5,991.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,899.16 : 14,832.52 = 5,991.72 : x
2. Step 2: Convert to fraction form
   9,899.16/14,832.52 = 5,991.72/x
3. Step 3: Cross multiply
   9,899.16x = 14,832.52 × 5,991.72
4. Step 4: Simplify right side
   9,899.16x = 88,872,306.73
5. Step 5: Solve for x
   x = 88,872,306.73/9,899.16
6. Step 6: Final answer
   x = 8,977.76