Finding the Fourth Proportional to 8,228,786.16, 12,343,991.20 and 2,836,726.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,228,786.16 : 12,343,991.20 = 2,836,726.72 : x
2. Step 2: Convert to fraction form
   8,228,786.16/12,343,991.20 = 2,836,726.72/x
3. Step 3: Cross multiply
   8,228,786.16x = 12,343,991.20 × 2,836,726.72
4. Step 4: Simplify right side
   8,228,786.16x = 35,016,529,668,484.86
5. Step 5: Solve for x
   x = 35,016,529,668,484.86/8,228,786.16
6. Step 6: Final answer
   x = 4,255,369.99