Finding the Fourth Proportional to 10,269,789.20, 14,172,751.88 and 5,686,110.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,269,789.20 : 14,172,751.88 = 5,686,110.48 : x
2. Step 2: Convert to fraction form
   10,269,789.20/14,172,751.88 = 5,686,110.48/x
3. Step 3: Cross multiply
   10,269,789.20x = 14,172,751.88 × 5,686,110.48
4. Step 4: Simplify right side
   10,269,789.20x = 80,587,832,995,307.72
5. Step 5: Solve for x
   x = 80,587,832,995,307.72/10,269,789.20
6. Step 6: Final answer
   x = 7,847,077.62