Finding the Fourth Proportional to 47,350.98, 70,978.41 and 30,721.59

Step by Step Solution

1. Step 1: Write the proportion equation
   47,350.98 : 70,978.41 = 30,721.59 : x
2. Step 2: Convert to fraction form
   47,350.98/70,978.41 = 30,721.59/x
3. Step 3: Cross multiply
   47,350.98x = 70,978.41 × 30,721.59
4. Step 4: Simplify right side
   47,350.98x = 2,180,569,610.87
5. Step 5: Solve for x
   x = 2,180,569,610.87/47,350.98
6. Step 6: Final answer
   x = 46,051.20