Finding the Fourth Proportional to 10,389,653.80, 15,584,480.16 and 2,816,422.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,389,653.80 : 15,584,480.16 = 2,816,422.72 : x
2. Step 2: Convert to fraction form
   10,389,653.80/15,584,480.16 = 2,816,422.72/x
3. Step 3: Cross multiply
   10,389,653.80x = 15,584,480.16 × 2,816,422.72
4. Step 4: Simplify right side
   10,389,653.80x = 43,892,484,002,013.24
5. Step 5: Solve for x
   x = 43,892,484,002,013.24/10,389,653.80
6. Step 6: Final answer
   x = 4,224,633.93