Finding the Fourth Proportional to 12,479,438.06, 17,221,738.53 and 7,322,885.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,479,438.06 : 17,221,738.53 = 7,322,885.54 : x
2. Step 2: Convert to fraction form
   12,479,438.06/17,221,738.53 = 7,322,885.54/x
3. Step 3: Cross multiply
   12,479,438.06x = 17,221,738.53 × 7,322,885.54
4. Step 4: Simplify right side
   12,479,438.06x = 126,112,820,054,997.86
5. Step 5: Solve for x
   x = 126,112,820,054,997.86/12,479,438.06
6. Step 6: Final answer
   x = 10,105,648.94