Finding the Fourth Proportional to 16,015,288.78, 24,061,257.53 and 10,269,280.14

Step by Step Solution

1. Step 1: Write the proportion equation
   16,015,288.78 : 24,061,257.53 = 10,269,280.14 : x
2. Step 2: Convert to fraction form
   16,015,288.78/24,061,257.53 = 10,269,280.14/x
3. Step 3: Cross multiply
   16,015,288.78x = 24,061,257.53 × 10,269,280.14
4. Step 4: Simplify right side
   16,015,288.78x = 247,091,794,128,532.72
5. Step 5: Solve for x
   x = 247,091,794,128,532.72/16,015,288.78
6. Step 6: Final answer
   x = 15,428,494.45