Finding the Fourth Proportional to 61,035.75, 91,969.50 and 50,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,035.75 : 91,969.50 = 50,185.50 : x
2. Step 2: Convert to fraction form
   61,035.75/91,969.50 = 50,185.50/x
3. Step 3: Cross multiply
   61,035.75x = 91,969.50 × 50,185.50
4. Step 4: Simplify right side
   61,035.75x = 4,615,535,303.08
5. Step 5: Solve for x
   x = 4,615,535,303.08/61,035.75
6. Step 6: Final answer
   x = 75,620.19