Finding the Fourth Proportional to 67,715.40, 101,475.90 and 49,806.30

Step by Step Solution

1. Step 1: Write the proportion equation
   67,715.40 : 101,475.90 = 49,806.30 : x
2. Step 2: Convert to fraction form
   67,715.40/101,475.90 = 49,806.30/x
3. Step 3: Cross multiply
   67,715.40x = 101,475.90 × 49,806.30
4. Step 4: Simplify right side
   67,715.40x = 5,054,139,118.17
5. Step 5: Solve for x
   x = 5,054,139,118.17/67,715.40
6. Step 6: Final answer
   x = 74,637.96