Finding the Fourth Proportional to 53,234.32, 79,906.86 and 39,210.18

Step by Step Solution

1. Step 1: Write the proportion equation
   53,234.32 : 79,906.86 = 39,210.18 : x
2. Step 2: Convert to fraction form
   53,234.32/79,906.86 = 39,210.18/x
3. Step 3: Cross multiply
   53,234.32x = 79,906.86 × 39,210.18
4. Step 4: Simplify right side
   53,234.32x = 3,133,162,363.83
5. Step 5: Solve for x
   x = 3,133,162,363.83/53,234.32
6. Step 6: Final answer
   x = 58,856.06