Finding the Fourth Proportional to 33,070.96, 49,572.46 and 13,072.32

Step by Step Solution

1. Step 1: Write the proportion equation
   33,070.96 : 49,572.46 = 13,072.32 : x
2. Step 2: Convert to fraction form
   33,070.96/49,572.46 = 13,072.32/x
3. Step 3: Cross multiply
   33,070.96x = 49,572.46 × 13,072.32
4. Step 4: Simplify right side
   33,070.96x = 648,027,212.25
5. Step 5: Solve for x
   x = 648,027,212.25/33,070.96
6. Step 6: Final answer
   x = 19,595.05