Finding the Fourth Proportional to 49,619.78, 68,435.68 and 32,641.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,619.78 : 68,435.68 = 32,641.50 : x
2. Step 2: Convert to fraction form
   49,619.78/68,435.68 = 32,641.50/x
3. Step 3: Cross multiply
   49,619.78x = 68,435.68 × 32,641.50
4. Step 4: Simplify right side
   49,619.78x = 2,233,843,248.72
5. Step 5: Solve for x
   x = 2,233,843,248.72/49,619.78
6. Step 6: Final answer
   x = 45,019.21