Finding the Fourth Proportional to 144,266.67, 199,031.58 and 83,826.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,266.67 : 199,031.58 = 83,826.50 : x
2. Step 2: Convert to fraction form
   144,266.67/199,031.58 = 83,826.50/x
3. Step 3: Cross multiply
   144,266.67x = 199,031.58 × 83,826.50
4. Step 4: Simplify right side
   144,266.67x = 16,684,119,745.71
5. Step 5: Solve for x
   x = 16,684,119,745.71/144,266.67
6. Step 6: Final answer
   x = 115,647.78