Finding the Fourth Proportional to 33,071.51, 49,602.67 and 13,345.49

Step by Step Solution

1. Step 1: Write the proportion equation
   33,071.51 : 49,602.67 = 13,345.49 : x
2. Step 2: Convert to fraction form
   33,071.51/49,602.67 = 13,345.49/x
3. Step 3: Cross multiply
   33,071.51x = 49,602.67 × 13,345.49
4. Step 4: Simplify right side
   33,071.51x = 661,972,027.10
5. Step 5: Solve for x
   x = 661,972,027.10/33,071.51
6. Step 6: Final answer
   x = 20,016.38