Finding the Fourth Proportional to 33,120.01, 49,631.72 and 15,356.10

Step by Step Solution

1. Step 1: Write the proportion equation
   33,120.01 : 49,631.72 = 15,356.10 : x
2. Step 2: Convert to fraction form
   33,120.01/49,631.72 = 15,356.10/x
3. Step 3: Cross multiply
   33,120.01x = 49,631.72 × 15,356.10
4. Step 4: Simplify right side
   33,120.01x = 762,149,764.83
5. Step 5: Solve for x
   x = 762,149,764.83/33,120.01
6. Step 6: Final answer
   x = 23,011.76