Finding the Fourth Proportional to 60,978.10, 91,348.79 and 44,938.51

Step by Step Solution

1. Step 1: Write the proportion equation
   60,978.10 : 91,348.79 = 44,938.51 : x
2. Step 2: Convert to fraction form
   60,978.10/91,348.79 = 44,938.51/x
3. Step 3: Cross multiply
   60,978.10x = 91,348.79 × 44,938.51
4. Step 4: Simplify right side
   60,978.10x = 4,105,078,512.90
5. Step 5: Solve for x
   x = 4,105,078,512.90/60,978.10
6. Step 6: Final answer
   x = 67,320.54