Finding the Fourth Proportional to 10,106,820.09, 13,947,411.74 and 5,756,311.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,106,820.09 : 13,947,411.74 = 5,756,311.20 : x
2. Step 2: Convert to fraction form
   10,106,820.09/13,947,411.74 = 5,756,311.20/x
3. Step 3: Cross multiply
   10,106,820.09x = 13,947,411.74 × 5,756,311.20
4. Step 4: Simplify right side
   10,106,820.09x = 80,285,642,433,494.73
5. Step 5: Solve for x
   x = 80,285,642,433,494.73/10,106,820.09
6. Step 6: Final answer
   x = 7,943,709.47