Finding the Fourth Proportional to 70,230.16, 96,917.61 and 38,399.05

Step by Step Solution

1. Step 1: Write the proportion equation
   70,230.16 : 96,917.61 = 38,399.05 : x
2. Step 2: Convert to fraction form
   70,230.16/96,917.61 = 38,399.05/x
3. Step 3: Cross multiply
   70,230.16x = 96,917.61 × 38,399.05
4. Step 4: Simplify right side
   70,230.16x = 3,721,544,152.27
5. Step 5: Solve for x
   x = 3,721,544,152.27/70,230.16
6. Step 6: Final answer
   x = 52,990.68