Finding the Fourth Proportional to 17,978,513.51, 24,808,497.18 and 13,271,413.23

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978,513.51 : 24,808,497.18 = 13,271,413.23 : x
2. Step 2: Convert to fraction form
   17,978,513.51/24,808,497.18 = 13,271,413.23/x
3. Step 3: Cross multiply
   17,978,513.51x = 24,808,497.18 × 13,271,413.23
4. Step 4: Simplify right side
   17,978,513.51x = 329,243,817,691,069.69
5. Step 5: Solve for x
   x = 329,243,817,691,069.69/17,978,513.51
6. Step 6: Final answer
   x = 18,313,183.55