Finding the Fourth Proportional to 22,774,272.72, 31,428,426.96 and 12,320,285.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,774,272.72 : 31,428,426.96 = 12,320,285.76 : x
2. Step 2: Convert to fraction form
   22,774,272.72/31,428,426.96 = 12,320,285.76/x
3. Step 3: Cross multiply
   22,774,272.72x = 31,428,426.96 × 12,320,285.76
4. Step 4: Simplify right side
   22,774,272.72x = 387,207,201,134,488.06
5. Step 5: Solve for x
   x = 387,207,201,134,488.06/22,774,272.72
6. Step 6: Final answer
   x = 17,001,956.81