Finding the Fourth Proportional to 33,111.12, 49,697.89 and 12,071.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,111.12 : 49,697.89 = 12,071.50 : x
2. Step 2: Convert to fraction form
   33,111.12/49,697.89 = 12,071.50/x
3. Step 3: Cross multiply
   33,111.12x = 49,697.89 × 12,071.50
4. Step 4: Simplify right side
   33,111.12x = 599,927,830.65
5. Step 5: Solve for x
   x = 599,927,830.65/33,111.12
6. Step 6: Final answer
   x = 18,118.62