Finding the Fourth Proportional to 61,231.86, 91,881.81 and 33,151.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,231.86 : 91,881.81 = 33,151.50 : x
2. Step 2: Convert to fraction form
   61,231.86/91,881.81 = 33,151.50/x
3. Step 3: Cross multiply
   61,231.86x = 91,881.81 × 33,151.50
4. Step 4: Simplify right side
   61,231.86x = 3,046,019,824.22
5. Step 5: Solve for x
   x = 3,046,019,824.22/61,231.86
6. Step 6: Final answer
   x = 49,745.67