Finding the Fourth Proportional to 59,231.54, 81,686.58 and 49,144.01

Step by Step Solution

1. Step 1: Write the proportion equation
   59,231.54 : 81,686.58 = 49,144.01 : x
2. Step 2: Convert to fraction form
   59,231.54/81,686.58 = 49,144.01/x
3. Step 3: Cross multiply
   59,231.54x = 81,686.58 × 49,144.01
4. Step 4: Simplify right side
   59,231.54x = 4,014,405,695.95
5. Step 5: Solve for x
   x = 4,014,405,695.95/59,231.54
6. Step 6: Final answer
   x = 67,774.80