Finding the Fourth Proportional to 33,011.68, 45,554.89 and 19,574.90

Step by Step Solution

1. Step 1: Write the proportion equation
   33,011.68 : 45,554.89 = 19,574.90 : x
2. Step 2: Convert to fraction form
   33,011.68/45,554.89 = 19,574.90/x
3. Step 3: Cross multiply
   33,011.68x = 45,554.89 × 19,574.90
4. Step 4: Simplify right side
   33,011.68x = 891,732,090.61
5. Step 5: Solve for x
   x = 891,732,090.61/33,011.68
6. Step 6: Final answer
   x = 27,012.62