Finding the Fourth Proportional to 49,435.72, 68,141.48 and 38,661.52

Step by Step Solution

1. Step 1: Write the proportion equation
   49,435.72 : 68,141.48 = 38,661.52 : x
2. Step 2: Convert to fraction form
   49,435.72/68,141.48 = 38,661.52/x
3. Step 3: Cross multiply
   49,435.72x = 68,141.48 × 38,661.52
4. Step 4: Simplify right side
   49,435.72x = 2,634,453,191.85
5. Step 5: Solve for x
   x = 2,634,453,191.85/49,435.72
6. Step 6: Final answer
   x = 53,290.48