Finding the Fourth Proportional to 61,191.41, 91,813.41 and 33,131.51

Step by Step Solution

1. Step 1: Write the proportion equation
   61,191.41 : 91,813.41 = 33,131.51 : x
2. Step 2: Convert to fraction form
   61,191.41/91,813.41 = 33,131.51/x
3. Step 3: Cross multiply
   61,191.41x = 91,813.41 × 33,131.51
4. Step 4: Simplify right side
   61,191.41x = 3,041,916,452.48
5. Step 5: Solve for x
   x = 3,041,916,452.48/61,191.41
6. Step 6: Final answer
   x = 49,711.50