Finding the Fourth Proportional to 15,773.82, 21,767.84 and 9,059.89

Step by Step Solution

1. Step 1: Write the proportion equation
   15,773.82 : 21,767.84 = 9,059.89 : x
2. Step 2: Convert to fraction form
   15,773.82/21,767.84 = 9,059.89/x
3. Step 3: Cross multiply
   15,773.82x = 21,767.84 × 9,059.89
4. Step 4: Simplify right side
   15,773.82x = 197,214,081.80
5. Step 5: Solve for x
   x = 197,214,081.80/15,773.82
6. Step 6: Final answer
   x = 12,502.62