Finding the Fourth Proportional to 9,547.84, 13,176.12 and 5,356

Step by Step Solution

1. Step 1: Write the proportion equation
   9,547.84 : 13,176.12 = 5,356 : x
2. Step 2: Convert to fraction form
   9,547.84/13,176.12 = 5,356/x
3. Step 3: Cross multiply
   9,547.84x = 13,176.12 × 5,356
4. Step 4: Simplify right side
   9,547.84x = 70,571,298.72
5. Step 5: Solve for x
   x = 70,571,298.72/9,547.84
6. Step 6: Final answer
   x = 7,391.34