Finding the Fourth Proportional to 12,662,339.16, 17,474,914.78 and 7,156,222.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,662,339.16 : 17,474,914.78 = 7,156,222.84 : x
2. Step 2: Convert to fraction form
   12,662,339.16/17,474,914.78 = 7,156,222.84/x
3. Step 3: Cross multiply
   12,662,339.16x = 17,474,914.78 × 7,156,222.84
4. Step 4: Simplify right side
   12,662,339.16x = 125,054,384,275,689.58
5. Step 5: Solve for x
   x = 125,054,384,275,689.58/12,662,339.16
6. Step 6: Final answer
   x = 9,876,088.67