Finding the Fourth Proportional to 33,250.01, 45,878.33 and 21,155.30

Step by Step Solution

1. Step 1: Write the proportion equation
   33,250.01 : 45,878.33 = 21,155.30 : x
2. Step 2: Convert to fraction form
   33,250.01/45,878.33 = 21,155.30/x
3. Step 3: Cross multiply
   33,250.01x = 45,878.33 × 21,155.30
4. Step 4: Simplify right side
   33,250.01x = 970,569,499.48
5. Step 5: Solve for x
   x = 970,569,499.48/33,250.01
6. Step 6: Final answer
   x = 29,190.06