Finding the Fourth Proportional to 22,970,517.60, 31,697,886 and 12,656,663.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,970,517.60 : 31,697,886 = 12,656,663.52 : x
2. Step 2: Convert to fraction form
   22,970,517.60/31,697,886 = 12,656,663.52/x
3. Step 3: Cross multiply
   22,970,517.60x = 31,697,886 × 12,656,663.52
4. Step 4: Simplify right side
   22,970,517.60x = 401,189,477,397,318.69
5. Step 5: Solve for x
   x = 401,189,477,397,318.69/22,970,517.60
6. Step 6: Final answer
   x = 17,465,408.68