Finding the Fourth Proportional to 33,030.98, 45,620.61 and 21,750.91

Step by Step Solution

1. Step 1: Write the proportion equation
   33,030.98 : 45,620.61 = 21,750.91 : x
2. Step 2: Convert to fraction form
   33,030.98/45,620.61 = 21,750.91/x
3. Step 3: Cross multiply
   33,030.98x = 45,620.61 × 21,750.91
4. Step 4: Simplify right side
   33,030.98x = 992,289,554.15
5. Step 5: Solve for x
   x = 992,289,554.15/33,030.98
6. Step 6: Final answer
   x = 30,041.18