Finding the Fourth Proportional to 12,479,096.42, 17,219,570.28 and 7,320,575.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,479,096.42 : 17,219,570.28 = 7,320,575.78 : x
2. Step 2: Convert to fraction form
   12,479,096.42/17,219,570.28 = 7,320,575.78/x
3. Step 3: Cross multiply
   12,479,096.42x = 17,219,570.28 × 7,320,575.78
4. Step 4: Simplify right side
   12,479,096.42x = 126,057,169,133,775.83
5. Step 5: Solve for x
   x = 126,057,169,133,775.83/12,479,096.42
6. Step 6: Final answer
   x = 10,101,466.08