Finding the Fourth Proportional to 9,363.14, 12,921.16 and 5,384.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,363.14 : 12,921.16 = 5,384.02 : x
2. Step 2: Convert to fraction form
   9,363.14/12,921.16 = 5,384.02/x
3. Step 3: Cross multiply
   9,363.14x = 12,921.16 × 5,384.02
4. Step 4: Simplify right side
   9,363.14x = 69,567,783.86
5. Step 5: Solve for x
   x = 69,567,783.86/9,363.14
6. Step 6: Final answer
   x = 7,429.96