Finding the Fourth Proportional to 9,322.32, 13,979.39 and 4,938.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,322.32 : 13,979.39 = 4,938.77 : x
2. Step 2: Convert to fraction form
   9,322.32/13,979.39 = 4,938.77/x
3. Step 3: Cross multiply
   9,322.32x = 13,979.39 × 4,938.77
4. Step 4: Simplify right side
   9,322.32x = 69,041,002.20
5. Step 5: Solve for x
   x = 69,041,002.20/9,322.32
6. Step 6: Final answer
   x = 7,405.99