Finding the Fourth Proportional to 17,421,405.72, 24,041,413.98 and 9,686,388.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,421,405.72 : 24,041,413.98 = 9,686,388.12 : x
2. Step 2: Convert to fraction form
   17,421,405.72/24,041,413.98 = 9,686,388.12/x
3. Step 3: Cross multiply
   17,421,405.72x = 24,041,413.98 × 9,686,388.12
4. Step 4: Simplify right side
   17,421,405.72x = 232,874,466,763,873.91
5. Step 5: Solve for x
   x = 232,874,466,763,873.91/17,421,405.72
6. Step 6: Final answer
   x = 13,367,145.60