Finding the Fourth Proportional to 10,262,626.56, 14,162,212.80 and 5,678,945.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,262,626.56 : 14,162,212.80 = 5,678,945.28 : x
2. Step 2: Convert to fraction form
   10,262,626.56/14,162,212.80 = 5,678,945.28/x
3. Step 3: Cross multiply
   10,262,626.56x = 14,162,212.80 × 5,678,945.28
4. Step 4: Simplify right side
   10,262,626.56x = 80,426,431,534,915.59
5. Step 5: Solve for x
   x = 80,426,431,534,915.59/10,262,626.56
6. Step 6: Final answer
   x = 7,836,827.26