Finding the Fourth Proportional to 12,538,496.86, 17,305,017.00 and 7,646,556.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,538,496.86 : 17,305,017.00 = 7,646,556.71 : x
2. Step 2: Convert to fraction form
   12,538,496.86/17,305,017.00 = 7,646,556.71/x
3. Step 3: Cross multiply
   12,538,496.86x = 17,305,017.00 × 7,646,556.71
4. Step 4: Simplify right side
   12,538,496.86x = 132,323,793,742,814.39
5. Step 5: Solve for x
   x = 132,323,793,742,814.39/12,538,496.86
6. Step 6: Final answer
   x = 10,553,401.67