Finding the Fourth Proportional to 10,144,076.27, 13,990,662.71 and 8,917,759.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,144,076.27 : 13,990,662.71 = 8,917,759.76 : x
2. Step 2: Convert to fraction form
   10,144,076.27/13,990,662.71 = 8,917,759.76/x
3. Step 3: Cross multiply
   10,144,076.27x = 13,990,662.71 × 8,917,759.76
4. Step 4: Simplify right side
   10,144,076.27x = 124,765,368,930,970.55
5. Step 5: Solve for x
   x = 124,765,368,930,970.55/10,144,076.27
6. Step 6: Final answer
   x = 12,299,332.70