Finding the Fourth Proportional to 12,182,495.39, 16,819,488.05 and 7,839,129.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,182,495.39 : 16,819,488.05 = 7,839,129.81 : x
2. Step 2: Convert to fraction form
   12,182,495.39/16,819,488.05 = 7,839,129.81/x
3. Step 3: Cross multiply
   12,182,495.39x = 16,819,488.05 × 7,839,129.81
4. Step 4: Simplify right side
   12,182,495.39x = 131,850,150,122,498.12
5. Step 5: Solve for x
   x = 131,850,150,122,498.12/12,182,495.39
6. Step 6: Final answer
   x = 10,822,918.13