Finding the Fourth Proportional to 22,644,200.76, 31,248,687.78 and 12,854,559.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,644,200.76 : 31,248,687.78 = 12,854,559.12 : x
2. Step 2: Convert to fraction form
   22,644,200.76/31,248,687.78 = 12,854,559.12/x
3. Step 3: Cross multiply
   22,644,200.76x = 31,248,687.78 × 12,854,559.12
4. Step 4: Simplify right side
   22,644,200.76x = 401,688,104,490,431.56
5. Step 5: Solve for x
   x = 401,688,104,490,431.56/22,644,200.76
6. Step 6: Final answer
   x = 17,739,116.02