Finding the Fourth Proportional to 9,128,499.42, 12,597,723 and 5,054,118.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,128,499.42 : 12,597,723 = 5,054,118.42 : x
2. Step 2: Convert to fraction form
   9,128,499.42/12,597,723 = 5,054,118.42/x
3. Step 3: Cross multiply
   9,128,499.42x = 12,597,723 × 5,054,118.42
4. Step 4: Simplify right side
   9,128,499.42x = 63,670,383,864,357.66
5. Step 5: Solve for x
   x = 63,670,383,864,357.66/9,128,499.42
6. Step 6: Final answer
   x = 6,974,901.45