Finding the Fourth Proportional to 11,061.60, 16,592.37 and 9,109.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,061.60 : 16,592.37 = 9,109.68 : x
2. Step 2: Convert to fraction form
   11,061.60/16,592.37 = 9,109.68/x
3. Step 3: Cross multiply
   11,061.60x = 16,592.37 × 9,109.68
4. Step 4: Simplify right side
   11,061.60x = 151,151,181.14
5. Step 5: Solve for x
   x = 151,151,181.14/11,061.60
6. Step 6: Final answer
   x = 13,664.50