Finding the Fourth Proportional to 33,085.63, 45,682.01 and 20,355.94

Step by Step Solution

1. Step 1: Write the proportion equation
   33,085.63 : 45,682.01 = 20,355.94 : x
2. Step 2: Convert to fraction form
   33,085.63/45,682.01 = 20,355.94/x
3. Step 3: Cross multiply
   33,085.63x = 45,682.01 × 20,355.94
4. Step 4: Simplify right side
   33,085.63x = 929,900,254.64
5. Step 5: Solve for x
   x = 929,900,254.64/33,085.63
6. Step 6: Final answer
   x = 28,105.87