Finding the Fourth Proportional to 7,853.88, 10,838.88 and 5,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,853.88 : 10,838.88 = 5,196.72 : x
2. Step 2: Convert to fraction form
   7,853.88/10,838.88 = 5,196.72/x
3. Step 3: Cross multiply
   7,853.88x = 10,838.88 × 5,196.72
4. Step 4: Simplify right side
   7,853.88x = 56,326,624.47
5. Step 5: Solve for x
   x = 56,326,624.47/7,853.88
6. Step 6: Final answer
   x = 7,171.82