Finding the Fourth Proportional to 61,796.54, 85,196.75 and 49,091.90

Step by Step Solution

1. Step 1: Write the proportion equation
   61,796.54 : 85,196.75 = 49,091.90 : x
2. Step 2: Convert to fraction form
   61,796.54/85,196.75 = 49,091.90/x
3. Step 3: Cross multiply
   61,796.54x = 85,196.75 × 49,091.90
4. Step 4: Simplify right side
   61,796.54x = 4,182,469,659.88
5. Step 5: Solve for x
   x = 4,182,469,659.88/61,796.54
6. Step 6: Final answer
   x = 67,681.29