Finding the Fourth Proportional to 10,530.46, 14,534.31 and 7,181.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,530.46 : 14,534.31 = 7,181.27 : x
2. Step 2: Convert to fraction form
   10,530.46/14,534.31 = 7,181.27/x
3. Step 3: Cross multiply
   10,530.46x = 14,534.31 × 7,181.27
4. Step 4: Simplify right side
   10,530.46x = 104,374,804.37
5. Step 5: Solve for x
   x = 104,374,804.37/10,530.46
6. Step 6: Final answer
   x = 9,911.70