Finding the Fourth Proportional to 12,612.48, 17,405.82 and 7,310.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,612.48 : 17,405.82 = 7,310.22 : x
2. Step 2: Convert to fraction form
   12,612.48/17,405.82 = 7,310.22/x
3. Step 3: Cross multiply
   12,612.48x = 17,405.82 × 7,310.22
4. Step 4: Simplify right side
   12,612.48x = 127,240,373.48
5. Step 5: Solve for x
   x = 127,240,373.48/12,612.48
6. Step 6: Final answer
   x = 10,088.45