Finding the Fourth Proportional to 22,005.60, 33,032.70 and 12,164.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,005.60 : 33,032.70 = 12,164.10 : x
2. Step 2: Convert to fraction form
   22,005.60/33,032.70 = 12,164.10/x
3. Step 3: Cross multiply
   22,005.60x = 33,032.70 × 12,164.10
4. Step 4: Simplify right side
   22,005.60x = 401,813,066.07
5. Step 5: Solve for x
   x = 401,813,066.07/22,005.60
6. Step 6: Final answer
   x = 18,259.58