Finding the Fourth Proportional to 13,650,399.72, 18,837,436.14 and 7,538,697

Step by Step Solution

1. Step 1: Write the proportion equation
   13,650,399.72 : 18,837,436.14 = 7,538,697 : x
2. Step 2: Convert to fraction form
   13,650,399.72/18,837,436.14 = 7,538,697/x
3. Step 3: Cross multiply
   13,650,399.72x = 18,837,436.14 × 7,538,697
4. Step 4: Simplify right side
   13,650,399.72x = 142,009,723,316,309.59
5. Step 5: Solve for x
   x = 142,009,723,316,309.59/13,650,399.72
6. Step 6: Final answer
   x = 10,403,338.09