Finding the Fourth Proportional to 12,770.63, 17,623.20 and 7,393.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,770.63 : 17,623.20 = 7,393.30 : x
2. Step 2: Convert to fraction form
   12,770.63/17,623.20 = 7,393.30/x
3. Step 3: Cross multiply
   12,770.63x = 17,623.20 × 7,393.30
4. Step 4: Simplify right side
   12,770.63x = 130,293,511.46
5. Step 5: Solve for x
   x = 130,293,511.46/12,770.63
6. Step 6: Final answer
   x = 10,202.59