Finding the Fourth Proportional to 142,395.31, 213,625.41 and 75,800.35

Step by Step Solution

1. Step 1: Write the proportion equation
   142,395.31 : 213,625.41 = 75,800.35 : x
2. Step 2: Convert to fraction form
   142,395.31/213,625.41 = 75,800.35/x
3. Step 3: Cross multiply
   142,395.31x = 213,625.41 × 75,800.35
4. Step 4: Simplify right side
   142,395.31x = 16,192,880,846.89
5. Step 5: Solve for x
   x = 16,192,880,846.89/142,395.31
6. Step 6: Final answer
   x = 113,717.80