Finding the Fourth Proportional to 12,867,440.95, 17,772,578.72 and 10,262,986.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,867,440.95 : 17,772,578.72 = 10,262,986.39 : x
2. Step 2: Convert to fraction form
   12,867,440.95/17,772,578.72 = 10,262,986.39/x
3. Step 3: Cross multiply
   12,867,440.95x = 17,772,578.72 × 10,262,986.39
4. Step 4: Simplify right side
   12,867,440.95x = 182,399,733,518,563.62
5. Step 5: Solve for x
   x = 182,399,733,518,563.62/12,867,440.95
6. Step 6: Final answer
   x = 14,175,292.06