Finding the Fourth Proportional to 13,443,369.93, 18,551,765.72 and 7,642,151.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,443,369.93 : 18,551,765.72 = 7,642,151.96 : x
2. Step 2: Convert to fraction form
   13,443,369.93/18,551,765.72 = 7,642,151.96/x
3. Step 3: Cross multiply
   13,443,369.93x = 18,551,765.72 × 7,642,151.96
4. Step 4: Simplify right side
   13,443,369.93x = 141,775,412,627,589.22
5. Step 5: Solve for x
   x = 141,775,412,627,589.22/13,443,369.93
6. Step 6: Final answer
   x = 10,546,121.50