Finding the Fourth Proportional to 25,268,242.49, 34,870,174.62 and 13,665,805.96

Step by Step Solution

1. Step 1: Write the proportion equation
   25,268,242.49 : 34,870,174.62 = 13,665,805.96 : x
2. Step 2: Convert to fraction form
   25,268,242.49/34,870,174.62 = 13,665,805.96/x
3. Step 3: Cross multiply
   25,268,242.49x = 34,870,174.62 × 13,665,805.96
4. Step 4: Simplify right side
   25,268,242.49x = 476,529,040,140,577.69
5. Step 5: Solve for x
   x = 476,529,040,140,577.69/25,268,242.49
6. Step 6: Final answer
   x = 18,858,812.21