Finding the Fourth Proportional to 61,091.10, 84,289.68 and 37,228.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,091.10 : 84,289.68 = 37,228.50 : x
2. Step 2: Convert to fraction form
   61,091.10/84,289.68 = 37,228.50/x
3. Step 3: Cross multiply
   61,091.10x = 84,289.68 × 37,228.50
4. Step 4: Simplify right side
   61,091.10x = 3,137,978,351.88
5. Step 5: Solve for x
   x = 3,137,978,351.88/61,091.10
6. Step 6: Final answer
   x = 51,365.56