Finding the Fourth Proportional to 10,269,828.32, 14,172,805.85 and 5,686,149.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,269,828.32 : 14,172,805.85 = 5,686,149.69 : x
2. Step 2: Convert to fraction form
   10,269,828.32/14,172,805.85 = 5,686,149.69/x
3. Step 3: Cross multiply
   10,269,828.32x = 14,172,805.85 × 5,686,149.69
4. Step 4: Simplify right side
   10,269,828.32x = 80,588,695,561,976.95
5. Step 5: Solve for x
   x = 80,588,695,561,976.95/10,269,828.32
6. Step 6: Final answer
   x = 7,847,131.72