Finding the Fourth Proportional to 33,131.60, 49,724.60 and 32,872.40

Step by Step Solution

1. Step 1: Write the proportion equation
   33,131.60 : 49,724.60 = 32,872.40 : x
2. Step 2: Convert to fraction form
   33,131.60/49,724.60 = 32,872.40/x
3. Step 3: Cross multiply
   33,131.60x = 49,724.60 × 32,872.40
4. Step 4: Simplify right side
   33,131.60x = 1,634,566,941.04
5. Step 5: Solve for x
   x = 1,634,566,941.04/33,131.60
6. Step 6: Final answer
   x = 49,335.59