Finding the Fourth Proportional to 33,200.10, 49,799.94 and 13,478.46

Step by Step Solution

1. Step 1: Write the proportion equation
   33,200.10 : 49,799.94 = 13,478.46 : x
2. Step 2: Convert to fraction form
   33,200.10/49,799.94 = 13,478.46/x
3. Step 3: Cross multiply
   33,200.10x = 49,799.94 × 13,478.46
4. Step 4: Simplify right side
   33,200.10x = 671,226,499.29
5. Step 5: Solve for x
   x = 671,226,499.29/33,200.10
6. Step 6: Final answer
   x = 20,217.60