Finding the Fourth Proportional to 13,795.29, 20,665.82 and 9,100.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,795.29 : 20,665.82 = 9,100.98 : x
2. Step 2: Convert to fraction form
   13,795.29/20,665.82 = 9,100.98/x
3. Step 3: Cross multiply
   13,795.29x = 20,665.82 × 9,100.98
4. Step 4: Simplify right side
   13,795.29x = 188,079,169.00
5. Step 5: Solve for x
   x = 188,079,169.00/13,795.29
6. Step 6: Final answer
   x = 13,633.58