Finding the Fourth Proportional to 70,686.22, 97,546.41 and 38,854.78

Step by Step Solution

1. Step 1: Write the proportion equation
   70,686.22 : 97,546.41 = 38,854.78 : x
2. Step 2: Convert to fraction form
   70,686.22/97,546.41 = 38,854.78/x
3. Step 3: Cross multiply
   70,686.22x = 97,546.41 × 38,854.78
4. Step 4: Simplify right side
   70,686.22x = 3,790,144,300.34
5. Step 5: Solve for x
   x = 3,790,144,300.34/70,686.22
6. Step 6: Final answer
   x = 53,619.28