Finding the Fourth Proportional to 9,662,119.29, 13,340,145.25 and 7,422,908.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,662,119.29 : 13,340,145.25 = 7,422,908.71 : x
2. Step 2: Convert to fraction form
   9,662,119.29/13,340,145.25 = 7,422,908.71/x
3. Step 3: Cross multiply
   9,662,119.29x = 13,340,145.25 × 7,422,908.71
4. Step 4: Simplify right side
   9,662,119.29x = 99,022,680,368,890.12
5. Step 5: Solve for x
   x = 99,022,680,368,890.12/9,662,119.29
6. Step 6: Final answer
   x = 10,248,546.66