Finding the Fourth Proportional to 61,690.41, 85,132.72 and 33,396.10

Step by Step Solution

1. Step 1: Write the proportion equation
   61,690.41 : 85,132.72 = 33,396.10 : x
2. Step 2: Convert to fraction form
   61,690.41/85,132.72 = 33,396.10/x
3. Step 3: Cross multiply
   61,690.41x = 85,132.72 × 33,396.10
4. Step 4: Simplify right side
   61,690.41x = 2,843,100,659.31
5. Step 5: Solve for x
   x = 2,843,100,659.31/61,690.41
6. Step 6: Final answer
   x = 46,086.59