Finding the Fourth Proportional to 70,413.12, 105,635.52 and 23,664.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,413.12 : 105,635.52 = 23,664.72 : x
2. Step 2: Convert to fraction form
   70,413.12/105,635.52 = 23,664.72/x
3. Step 3: Cross multiply
   70,413.12x = 105,635.52 × 23,664.72
4. Step 4: Simplify right side
   70,413.12x = 2,499,835,002.85
5. Step 5: Solve for x
   x = 2,499,835,002.85/70,413.12
6. Step 6: Final answer
   x = 35,502.40