Finding the Fourth Proportional to 61,171.68, 91,651.20 and 33,111

Step by Step Solution

1. Step 1: Write the proportion equation
   61,171.68 : 91,651.20 = 33,111 : x
2. Step 2: Convert to fraction form
   61,171.68/91,651.20 = 33,111/x
3. Step 3: Cross multiply
   61,171.68x = 91,651.20 × 33,111
4. Step 4: Simplify right side
   61,171.68x = 3,034,662,883.20
5. Step 5: Solve for x
   x = 3,034,662,883.20/61,171.68
6. Step 6: Final answer
   x = 49,608.95