Finding the Fourth Proportional to 113,499.11, 170,236.71 and 50,320.32

Step by Step Solution

1. Step 1: Write the proportion equation
   113,499.11 : 170,236.71 = 50,320.32 : x
2. Step 2: Convert to fraction form
   113,499.11/170,236.71 = 50,320.32/x
3. Step 3: Cross multiply
   113,499.11x = 170,236.71 × 50,320.32
4. Step 4: Simplify right side
   113,499.11x = 8,566,365,722.95
5. Step 5: Solve for x
   x = 8,566,365,722.95/113,499.11
6. Step 6: Final answer
   x = 75,475.18