Finding the Fourth Proportional to 10,022,174.72, 15,028,363.18 and 6,990,992.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,022,174.72 : 15,028,363.18 = 6,990,992.72 : x
2. Step 2: Convert to fraction form
   10,022,174.72/15,028,363.18 = 6,990,992.72/x
3. Step 3: Cross multiply
   10,022,174.72x = 15,028,363.18 × 6,990,992.72
4. Step 4: Simplify right side
   10,022,174.72x = 105,063,177,584,896.05
5. Step 5: Solve for x
   x = 105,063,177,584,896.05/10,022,174.72
6. Step 6: Final answer
   x = 10,483,071.84