Finding the Fourth Proportional to 9,118.32, 13,689.27 and 4,738.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,118.32 : 13,689.27 = 4,738.83 : x
2. Step 2: Convert to fraction form
   9,118.32/13,689.27 = 4,738.83/x
3. Step 3: Cross multiply
   9,118.32x = 13,689.27 × 4,738.83
4. Step 4: Simplify right side
   9,118.32x = 64,871,123.35
5. Step 5: Solve for x
   x = 64,871,123.35/9,118.32
6. Step 6: Final answer
   x = 7,114.37