Finding the Fourth Proportional to 10,889,485.69, 16,334,117.81 and 2,802,429.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,889,485.69 : 16,334,117.81 = 2,802,429.89 : x
2. Step 2: Convert to fraction form
   10,889,485.69/16,334,117.81 = 2,802,429.89/x
3. Step 3: Cross multiply
   10,889,485.69x = 16,334,117.81 × 2,802,429.89
4. Step 4: Simplify right side
   10,889,485.69x = 45,775,220,025,366.71
5. Step 5: Solve for x
   x = 45,775,220,025,366.71/10,889,485.69
6. Step 6: Final answer
   x = 4,203,616.35