Finding the Fourth Proportional to 12,139,085.24, 18,207,053.25 and 5,753,395.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,139,085.24 : 18,207,053.25 = 5,753,395.16 : x
2. Step 2: Convert to fraction form
   12,139,085.24/18,207,053.25 = 5,753,395.16/x
3. Step 3: Cross multiply
   12,139,085.24x = 18,207,053.25 × 5,753,395.16
4. Step 4: Simplify right side
   12,139,085.24x = 104,752,372,046,412.27
5. Step 5: Solve for x
   x = 104,752,372,046,412.27/12,139,085.24
6. Step 6: Final answer
   x = 8,629,346.44