Finding the Fourth Proportional to 61,921.82, 85,478.27 and 41,805.95

Step by Step Solution

1. Step 1: Write the proportion equation
   61,921.82 : 85,478.27 = 41,805.95 : x
2. Step 2: Convert to fraction form
   61,921.82/85,478.27 = 41,805.95/x
3. Step 3: Cross multiply
   61,921.82x = 85,478.27 × 41,805.95
4. Step 4: Simplify right side
   61,921.82x = 3,573,499,645.29
5. Step 5: Solve for x
   x = 3,573,499,645.29/61,921.82
6. Step 6: Final answer
   x = 57,709.86