Finding the Fourth Proportional to 25,613,443.49, 38,422,855.91 and 8,342,990.15

Step by Step Solution

1. Step 1: Write the proportion equation
   25,613,443.49 : 38,422,855.91 = 8,342,990.15 : x
2. Step 2: Convert to fraction form
   25,613,443.49/38,422,855.91 = 8,342,990.15/x
3. Step 3: Cross multiply
   25,613,443.49x = 38,422,855.91 × 8,342,990.15
4. Step 4: Simplify right side
   25,613,443.49x = 320,561,508,220,742.50
5. Step 5: Solve for x
   x = 320,561,508,220,742.50/25,613,443.49
6. Step 6: Final answer
   x = 12,515,361.65