Finding the Fourth Proportional to 9,690,786.15, 13,373,570.15 and 5,340,152.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,690,786.15 : 13,373,570.15 = 5,340,152.72 : x
2. Step 2: Convert to fraction form
   9,690,786.15/13,373,570.15 = 5,340,152.72/x
3. Step 3: Cross multiply
   9,690,786.15x = 13,373,570.15 × 5,340,152.72
4. Step 4: Simplify right side
   9,690,786.15x = 71,416,906,919,064.69
5. Step 5: Solve for x
   x = 71,416,906,919,064.69/9,690,786.15
6. Step 6: Final answer
   x = 7,369,567.94