Finding the Fourth Proportional to 9,427.86, 13,003.74 and 5,889.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,427.86 : 13,003.74 = 5,889.78 : x
2. Step 2: Convert to fraction form
   9,427.86/13,003.74 = 5,889.78/x
3. Step 3: Cross multiply
   9,427.86x = 13,003.74 × 5,889.78
4. Step 4: Simplify right side
   9,427.86x = 76,589,167.78
5. Step 5: Solve for x
   x = 76,589,167.78/9,427.86
6. Step 6: Final answer
   x = 8,123.71