Finding the Fourth Proportional to 76,843.50, 106,047.27 and 43,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,843.50 : 106,047.27 = 43,309.50 : x
2. Step 2: Convert to fraction form
   76,843.50/106,047.27 = 43,309.50/x
3. Step 3: Cross multiply
   76,843.50x = 106,047.27 × 43,309.50
4. Step 4: Simplify right side
   76,843.50x = 4,592,854,240.07
5. Step 5: Solve for x
   x = 4,592,854,240.07/76,843.50
6. Step 6: Final answer
   x = 59,768.94