Finding the Fourth Proportional to 9,477.56, 14,184.72 and 7,131.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,477.56 : 14,184.72 = 7,131.86 : x
2. Step 2: Convert to fraction form
   9,477.56/14,184.72 = 7,131.86/x
3. Step 3: Cross multiply
   9,477.56x = 14,184.72 × 7,131.86
4. Step 4: Simplify right side
   9,477.56x = 101,163,437.18
5. Step 5: Solve for x
   x = 101,163,437.18/9,477.56
6. Step 6: Final answer
   x = 10,674.00