Finding the Fourth Proportional to 109,408.50, 150,983.82 and 59,107.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,408.50 : 150,983.82 = 59,107.50 : x
2. Step 2: Convert to fraction form
   109,408.50/150,983.82 = 59,107.50/x
3. Step 3: Cross multiply
   109,408.50x = 150,983.82 × 59,107.50
4. Step 4: Simplify right side
   109,408.50x = 8,924,276,140.65
5. Step 5: Solve for x
   x = 8,924,276,140.65/109,408.50
6. Step 6: Final answer
   x = 81,568.40