Finding the Fourth Proportional to 22,550,217.12, 31,119,320.72 and 12,892,627.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,550,217.12 : 31,119,320.72 = 12,892,627.36 : x
2. Step 2: Convert to fraction form
   22,550,217.12/31,119,320.72 = 12,892,627.36/x
3. Step 3: Cross multiply
   22,550,217.12x = 31,119,320.72 × 12,892,627.36
4. Step 4: Simplify right side
   22,550,217.12x = 401,209,805,739,286.88
5. Step 5: Solve for x
   x = 401,209,805,739,286.88/22,550,217.12
6. Step 6: Final answer
   x = 17,791,837.82