Finding the Fourth Proportional to 70,472.01, 97,250.67 and 38,640.83

Step by Step Solution

1. Step 1: Write the proportion equation
   70,472.01 : 97,250.67 = 38,640.83 : x
2. Step 2: Convert to fraction form
   70,472.01/97,250.67 = 38,640.83/x
3. Step 3: Cross multiply
   70,472.01x = 97,250.67 × 38,640.83
4. Step 4: Simplify right side
   70,472.01x = 3,757,846,606.86
5. Step 5: Solve for x
   x = 3,757,846,606.86/70,472.01
6. Step 6: Final answer
   x = 53,323.96