Finding the Fourth Proportional to 70,761.48, 97,650.69 and 38,930.30

Step by Step Solution

1. Step 1: Write the proportion equation
   70,761.48 : 97,650.69 = 38,930.30 : x
2. Step 2: Convert to fraction form
   70,761.48/97,650.69 = 38,930.30/x
3. Step 3: Cross multiply
   70,761.48x = 97,650.69 × 38,930.30
4. Step 4: Simplify right side
   70,761.48x = 3,801,570,168.65
5. Step 5: Solve for x
   x = 3,801,570,168.65/70,761.48
6. Step 6: Final answer
   x = 53,723.72