Finding the Fourth Proportional to 61,401.62, 84,703.22 and 35,891.31

Step by Step Solution

1. Step 1: Write the proportion equation
   61,401.62 : 84,703.22 = 35,891.31 : x
2. Step 2: Convert to fraction form
   61,401.62/84,703.22 = 35,891.31/x
3. Step 3: Cross multiply
   61,401.62x = 84,703.22 × 35,891.31
4. Step 4: Simplify right side
   61,401.62x = 3,040,109,347.56
5. Step 5: Solve for x
   x = 3,040,109,347.56/61,401.62
6. Step 6: Final answer
   x = 49,511.88