Finding the Fourth Proportional to 33,085.94, 45,641.48 and 20,488.82

Step by Step Solution

1. Step 1: Write the proportion equation
   33,085.94 : 45,641.48 = 20,488.82 : x
2. Step 2: Convert to fraction form
   33,085.94/45,641.48 = 20,488.82/x
3. Step 3: Cross multiply
   33,085.94x = 45,641.48 × 20,488.82
4. Step 4: Simplify right side
   33,085.94x = 935,140,068.25
5. Step 5: Solve for x
   x = 935,140,068.25/33,085.94
6. Step 6: Final answer
   x = 28,263.97