Finding the Fourth Proportional to 33,298.02, 45,955.32 and 21,357

Step by Step Solution

1. Step 1: Write the proportion equation
   33,298.02 : 45,955.32 = 21,357 : x
2. Step 2: Convert to fraction form
   33,298.02/45,955.32 = 21,357/x
3. Step 3: Cross multiply
   33,298.02x = 45,955.32 × 21,357
4. Step 4: Simplify right side
   33,298.02x = 981,467,769.24
5. Step 5: Solve for x
   x = 981,467,769.24/33,298.02
6. Step 6: Final answer
   x = 29,475.26