Finding the Fourth Proportional to 10,978,012.62, 16,467,826.91 and 2,890,931.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978,012.62 : 16,467,826.91 = 2,890,931.31 : x
2. Step 2: Convert to fraction form
   10,978,012.62/16,467,826.91 = 2,890,931.31/x
3. Step 3: Cross multiply
   10,978,012.62x = 16,467,826.91 × 2,890,931.31
4. Step 4: Simplify right side
   10,978,012.62x = 47,607,356,407,324.90
5. Step 5: Solve for x
   x = 47,607,356,407,324.90/10,978,012.62
6. Step 6: Final answer
   x = 4,336,609.74