Finding the Fourth Proportional to 113,499.47, 170,143.99 and 50,285.83

Step by Step Solution

1. Step 1: Write the proportion equation
   113,499.47 : 170,143.99 = 50,285.83 : x
2. Step 2: Convert to fraction form
   113,499.47/170,143.99 = 50,285.83/x
3. Step 3: Cross multiply
   113,499.47x = 170,143.99 × 50,285.83
4. Step 4: Simplify right side
   113,499.47x = 8,555,831,756.66
5. Step 5: Solve for x
   x = 8,555,831,756.66/113,499.47
6. Step 6: Final answer
   x = 75,382.13