Finding the Fourth Proportional to 33,499.80, 50,288.10 and 19,656.60

Step by Step Solution

1. Step 1: Write the proportion equation
   33,499.80 : 50,288.10 = 19,656.60 : x
2. Step 2: Convert to fraction form
   33,499.80/50,288.10 = 19,656.60/x
3. Step 3: Cross multiply
   33,499.80x = 50,288.10 × 19,656.60
4. Step 4: Simplify right side
   33,499.80x = 988,493,066.46
5. Step 5: Solve for x
   x = 988,493,066.46/33,499.80
6. Step 6: Final answer
   x = 29,507.43