Finding the Fourth Proportional to 67,646.88, 101,349.94 and 57,685.10

Step by Step Solution

1. Step 1: Write the proportion equation
   67,646.88 : 101,349.94 = 57,685.10 : x
2. Step 2: Convert to fraction form
   67,646.88/101,349.94 = 57,685.10/x
3. Step 3: Cross multiply
   67,646.88x = 101,349.94 × 57,685.10
4. Step 4: Simplify right side
   67,646.88x = 5,846,381,423.89
5. Step 5: Solve for x
   x = 5,846,381,423.89/67,646.88
6. Step 6: Final answer
   x = 86,425.00