Finding the Fourth Proportional to 86,878.50, 119,892.33 and 47,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,878.50 : 119,892.33 = 47,134.50 : x
2. Step 2: Convert to fraction form
   86,878.50/119,892.33 = 47,134.50/x
3. Step 3: Cross multiply
   86,878.50x = 119,892.33 × 47,134.50
4. Step 4: Simplify right side
   86,878.50x = 5,651,065,028.39
5. Step 5: Solve for x
   x = 5,651,065,028.39/86,878.50
6. Step 6: Final answer
   x = 65,045.61