Finding the Fourth Proportional to 9,654.18, 14,456.76 and 8,090.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,654.18 : 14,456.76 = 8,090.07 : x
2. Step 2: Convert to fraction form
   9,654.18/14,456.76 = 8,090.07/x
3. Step 3: Cross multiply
   9,654.18x = 14,456.76 × 8,090.07
4. Step 4: Simplify right side
   9,654.18x = 116,956,200.37
5. Step 5: Solve for x
   x = 116,956,200.37/9,654.18
6. Step 6: Final answer
   x = 12,114.57