Finding the Fourth Proportional to 67,900.40, 93,713.82 and 39,606.10

Step by Step Solution

1. Step 1: Write the proportion equation
   67,900.40 : 93,713.82 = 39,606.10 : x
2. Step 2: Convert to fraction form
   67,900.40/93,713.82 = 39,606.10/x
3. Step 3: Cross multiply
   67,900.40x = 93,713.82 × 39,606.10
4. Step 4: Simplify right side
   67,900.40x = 3,711,638,926.30
5. Step 5: Solve for x
   x = 3,711,638,926.30/67,900.40
6. Step 6: Final answer
   x = 54,662.99