Finding the Fourth Proportional to 12,969.55, 17,897.32 and 7,305.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,969.55 : 17,897.32 = 7,305.22 : x
2. Step 2: Convert to fraction form
   12,969.55/17,897.32 = 7,305.22/x
3. Step 3: Cross multiply
   12,969.55x = 17,897.32 × 7,305.22
4. Step 4: Simplify right side
   12,969.55x = 130,743,860.01
5. Step 5: Solve for x
   x = 130,743,860.01/12,969.55
6. Step 6: Final answer
   x = 10,080.83