Finding the Fourth Proportional to 9,992,568, 14,989,266.72 and 2,900,856

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992,568 : 14,989,266.72 = 2,900,856 : x
2. Step 2: Convert to fraction form
   9,992,568/14,989,266.72 = 2,900,856/x
3. Step 3: Cross multiply
   9,992,568x = 14,989,266.72 × 2,900,856
4. Step 4: Simplify right side
   9,992,568x = 43,481,704,300,312.32
5. Step 5: Solve for x
   x = 43,481,704,300,312.32/9,992,568
6. Step 6: Final answer
   x = 4,351,404.39