Finding the Fourth Proportional to 23,038,477.25, 31,790,389.86 and 12,724,585.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,038,477.25 : 31,790,389.86 = 12,724,585.25 : x
2. Step 2: Convert to fraction form
   23,038,477.25/31,790,389.86 = 12,724,585.25/x
3. Step 3: Cross multiply
   23,038,477.25x = 31,790,389.86 × 12,724,585.25
4. Step 4: Simplify right side
   23,038,477.25x = 404,519,525,745,353.56
5. Step 5: Solve for x
   x = 404,519,525,745,353.56/23,038,477.25
6. Step 6: Final answer
   x = 17,558,431.55