Finding the Fourth Proportional to 33,085.20, 45,657.84 and 17,978.16

Step by Step Solution

1. Step 1: Write the proportion equation
   33,085.20 : 45,657.84 = 17,978.16 : x
2. Step 2: Convert to fraction form
   33,085.20/45,657.84 = 17,978.16/x
3. Step 3: Cross multiply
   33,085.20x = 45,657.84 × 17,978.16
4. Step 4: Simplify right side
   33,085.20x = 820,843,952.77
5. Step 5: Solve for x
   x = 820,843,952.77/33,085.20
6. Step 6: Final answer
   x = 24,810.00