Finding the Fourth Proportional to 61,862.16, 85,439.72 and 41,684.01

Step by Step Solution

1. Step 1: Write the proportion equation
   61,862.16 : 85,439.72 = 41,684.01 : x
2. Step 2: Convert to fraction form
   61,862.16/85,439.72 = 41,684.01/x
3. Step 3: Cross multiply
   61,862.16x = 85,439.72 × 41,684.01
4. Step 4: Simplify right side
   61,862.16x = 3,561,470,142.88
5. Step 5: Solve for x
   x = 3,561,470,142.88/61,862.16
6. Step 6: Final answer
   x = 57,571.06