Finding the Fourth Proportional to 49,826.18, 69,236.20 and 49,197.42

Step by Step Solution

1. Step 1: Write the proportion equation
   49,826.18 : 69,236.20 = 49,197.42 : x
2. Step 2: Convert to fraction form
   49,826.18/69,236.20 = 49,197.42/x
3. Step 3: Cross multiply
   49,826.18x = 69,236.20 × 49,197.42
4. Step 4: Simplify right side
   49,826.18x = 3,406,242,287.61
5. Step 5: Solve for x
   x = 3,406,242,287.61/49,826.18
6. Step 6: Final answer
   x = 68,362.50