Finding the Fourth Proportional to 12,671,158.27, 17,486,542.71 and 7,165,356.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,671,158.27 : 17,486,542.71 = 7,165,356.83 : x
2. Step 2: Convert to fraction form
   12,671,158.27/17,486,542.71 = 7,165,356.83/x
3. Step 3: Cross multiply
   12,671,158.27x = 17,486,542.71 × 7,165,356.83
4. Step 4: Simplify right side
   12,671,158.27x = 125,297,318,240,185.22
5. Step 5: Solve for x
   x = 125,297,318,240,185.22/12,671,158.27
6. Step 6: Final answer
   x = 9,888,387.12