Finding the Fourth Proportional to 22,974,188.05, 31,704,380.16 and 12,660,911.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,974,188.05 : 31,704,380.16 = 12,660,911.15 : x
2. Step 2: Convert to fraction form
   22,974,188.05/31,704,380.16 = 12,660,911.15/x
3. Step 3: Cross multiply
   22,974,188.05x = 31,704,380.16 × 12,660,911.15
4. Step 4: Simplify right side
   22,974,188.05x = 401,406,340,271,582.81
5. Step 5: Solve for x
   x = 401,406,340,271,582.81/22,974,188.05
6. Step 6: Final answer
   x = 17,472,057.75