Finding the Fourth Proportional to 12,390.01, 17,098.23 and 7,084.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,390.01 : 17,098.23 = 7,084.94 : x
2. Step 2: Convert to fraction form
   12,390.01/17,098.23 = 7,084.94/x
3. Step 3: Cross multiply
   12,390.01x = 17,098.23 × 7,084.94
4. Step 4: Simplify right side
   12,390.01x = 121,139,933.66
5. Step 5: Solve for x
   x = 121,139,933.66/12,390.01
6. Step 6: Final answer
   x = 9,777.23