Finding the Fourth Proportional to 61,081.21, 84,290.92 and 33,856.84

Step by Step Solution

1. Step 1: Write the proportion equation
   61,081.21 : 84,290.92 = 33,856.84 : x
2. Step 2: Convert to fraction form
   61,081.21/84,290.92 = 33,856.84/x
3. Step 3: Cross multiply
   61,081.21x = 84,290.92 × 33,856.84
4. Step 4: Simplify right side
   61,081.21x = 2,853,824,191.89
5. Step 5: Solve for x
   x = 2,853,824,191.89/61,081.21
6. Step 6: Final answer
   x = 46,721.80