Finding the Fourth Proportional to 61,965.98, 85,528.61 and 35,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,965.98 : 85,528.61 = 35,124.50 : x
2. Step 2: Convert to fraction form
   61,965.98/85,528.61 = 35,124.50/x
3. Step 3: Cross multiply
   61,965.98x = 85,528.61 × 35,124.50
4. Step 4: Simplify right side
   61,965.98x = 3,004,149,058.68
5. Step 5: Solve for x
   x = 3,004,149,058.68/61,965.98
6. Step 6: Final answer
   x = 48,480.62