Finding the Fourth Proportional to 9,016,286.72, 12,443,811.10 and 5,708,888.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016,286.72 : 12,443,811.10 = 5,708,888.36 : x
2. Step 2: Convert to fraction form
   9,016,286.72/12,443,811.10 = 5,708,888.36/x
3. Step 3: Cross multiply
   9,016,286.72x = 12,443,811.10 × 5,708,888.36
4. Step 4: Simplify right side
   9,016,286.72x = 71,040,328,266,337.53
5. Step 5: Solve for x
   x = 71,040,328,266,337.53/9,016,286.72
6. Step 6: Final answer
   x = 7,879,111.49