Finding the Fourth Proportional to 48,979.73, 67,572.59 and 31,978.53

Step by Step Solution

1. Step 1: Write the proportion equation
   48,979.73 : 67,572.59 = 31,978.53 : x
2. Step 2: Convert to fraction form
   48,979.73/67,572.59 = 31,978.53/x
3. Step 3: Cross multiply
   48,979.73x = 67,572.59 × 31,978.53
4. Step 4: Simplify right side
   48,979.73x = 2,160,872,096.49
5. Step 5: Solve for x
   x = 2,160,872,096.49/48,979.73
6. Step 6: Final answer
   x = 44,117.68