Finding the Fourth Proportional to 22,485,107.55, 31,029,662.37 and 13,192,835.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,485,107.55 : 31,029,662.37 = 13,192,835.72 : x
2. Step 2: Convert to fraction form
   22,485,107.55/31,029,662.37 = 13,192,835.72/x
3. Step 3: Cross multiply
   22,485,107.55x = 31,029,662.37 × 13,192,835.72
4. Step 4: Simplify right side
   22,485,107.55x = 409,369,238,061,493.81
5. Step 5: Solve for x
   x = 409,369,238,061,493.81/22,485,107.55
6. Step 6: Final answer
   x = 18,206,238.83