Finding the Fourth Proportional to 48,978.06, 67,570.26 and 31,976.86

Step by Step Solution

1. Step 1: Write the proportion equation
   48,978.06 : 67,570.26 = 31,976.86 : x
2. Step 2: Convert to fraction form
   48,978.06/67,570.26 = 31,976.86/x
3. Step 3: Cross multiply
   48,978.06x = 67,570.26 × 31,976.86
4. Step 4: Simplify right side
   48,978.06x = 2,160,684,744.18
5. Step 5: Solve for x
   x = 2,160,684,744.18/48,978.06
6. Step 6: Final answer
   x = 44,115.36