Finding the Fourth Proportional to 13,162,570.10, 19,729,109.55 and 7,485,514.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,162,570.10 : 19,729,109.55 = 7,485,514.10 : x
2. Step 2: Convert to fraction form
   13,162,570.10/19,729,109.55 = 7,485,514.10/x
3. Step 3: Cross multiply
   13,162,570.10x = 19,729,109.55 × 7,485,514.10
4. Step 4: Simplify right side
   13,162,570.10x = 147,682,527,716,969.66
5. Step 5: Solve for x
   x = 147,682,527,716,969.66/13,162,570.10
6. Step 6: Final answer
   x = 11,219,885.37