Finding the Fourth Proportional to 70,086.52, 96,721.86 and 38,257.57

Step by Step Solution

1. Step 1: Write the proportion equation
   70,086.52 : 96,721.86 = 38,257.57 : x
2. Step 2: Convert to fraction form
   70,086.52/96,721.86 = 38,257.57/x
3. Step 3: Cross multiply
   70,086.52x = 96,721.86 × 38,257.57
4. Step 4: Simplify right side
   70,086.52x = 3,700,343,329.48
5. Step 5: Solve for x
   x = 3,700,343,329.48/70,086.52
6. Step 6: Final answer
   x = 52,796.79