Finding the Fourth Proportional to 18,670,498.56, 27,989,773.59 and 7,164,222.96

Step by Step Solution

1. Step 1: Write the proportion equation
   18,670,498.56 : 27,989,773.59 = 7,164,222.96 : x
2. Step 2: Convert to fraction form
   18,670,498.56/27,989,773.59 = 7,164,222.96/x
3. Step 3: Cross multiply
   18,670,498.56x = 27,989,773.59 × 7,164,222.96
4. Step 4: Simplify right side
   18,670,498.56x = 200,524,978,598,679.62
5. Step 5: Solve for x
   x = 200,524,978,598,679.62/18,670,498.56
6. Step 6: Final answer
   x = 10,740,204.82