Finding the Fourth Proportional to 9,960,667.27, 13,752,067.47 and 8,129,493.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,960,667.27 : 13,752,067.47 = 8,129,493.53 : x
2. Step 2: Convert to fraction form
   9,960,667.27/13,752,067.47 = 8,129,493.53/x
3. Step 3: Cross multiply
   9,960,667.27x = 13,752,067.47 × 8,129,493.53
4. Step 4: Simplify right side
   9,960,667.27x = 111,797,343,480,841
5. Step 5: Solve for x
   x = 111,797,343,480,841/9,960,667.27
6. Step 6: Final answer
   x = 11,223,880.94