Finding the Fourth Proportional to 9,803.08, 14,714.34 and 7,975.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,803.08 : 14,714.34 = 7,975.72 : x
2. Step 2: Convert to fraction form
   9,803.08/14,714.34 = 7,975.72/x
3. Step 3: Cross multiply
   9,803.08x = 14,714.34 × 7,975.72
4. Step 4: Simplify right side
   9,803.08x = 117,357,455.82
5. Step 5: Solve for x
   x = 117,357,455.82/9,803.08
6. Step 6: Final answer
   x = 11,971.49