Finding the Fourth Proportional to 57,611.31, 86,722.67 and 41,085.69

Step by Step Solution

1. Step 1: Write the proportion equation
   57,611.31 : 86,722.67 = 41,085.69 : x
2. Step 2: Convert to fraction form
   57,611.31/86,722.67 = 41,085.69/x
3. Step 3: Cross multiply
   57,611.31x = 86,722.67 × 41,085.69
4. Step 4: Simplify right side
   57,611.31x = 3,563,060,735.59
5. Step 5: Solve for x
   x = 3,563,060,735.59/57,611.31
6. Step 6: Final answer
   x = 61,846.55