Finding the Fourth Proportional to 61,578.86, 84,978.85 and 33,284.55

Step by Step Solution

1. Step 1: Write the proportion equation
   61,578.86 : 84,978.85 = 33,284.55 : x
2. Step 2: Convert to fraction form
   61,578.86/84,978.85 = 33,284.55/x
3. Step 3: Cross multiply
   61,578.86x = 84,978.85 × 33,284.55
4. Step 4: Simplify right side
   61,578.86x = 2,828,482,269.01
5. Step 5: Solve for x
   x = 2,828,482,269.01/61,578.86
6. Step 6: Final answer
   x = 45,932.68