Finding the Fourth Proportional to 12,970,049.08, 17,898,738.06 and 7,089,691.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,970,049.08 : 17,898,738.06 = 7,089,691.27 : x
2. Step 2: Convert to fraction form
   12,970,049.08/17,898,738.06 = 7,089,691.27/x
3. Step 3: Cross multiply
   12,970,049.08x = 17,898,738.06 × 7,089,691.27
4. Step 4: Simplify right side
   12,970,049.08x = 126,896,526,967,998.72
5. Step 5: Solve for x
   x = 126,896,526,967,998.72/12,970,049.08
6. Step 6: Final answer
   x = 9,783,812.40