Finding the Fourth Proportional to 25,268,272.71, 34,870,216.37 and 13,665,836.13

Step by Step Solution

1. Step 1: Write the proportion equation
   25,268,272.71 : 34,870,216.37 = 13,665,836.13 : x
2. Step 2: Convert to fraction form
   25,268,272.71/34,870,216.37 = 13,665,836.13/x
3. Step 3: Cross multiply
   25,268,272.71x = 34,870,216.37 × 13,665,836.13
4. Step 4: Simplify right side
   25,268,272.71x = 476,530,662,661,734.31
5. Step 5: Solve for x
   x = 476,530,662,661,734.31/25,268,272.71
6. Step 6: Final answer
   x = 18,858,853.87