Finding the Fourth Proportional to 12,380.13, 17,085.78 and 7,073.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,380.13 : 17,085.78 = 7,073.93 : x
2. Step 2: Convert to fraction form
   12,380.13/17,085.78 = 7,073.93/x
3. Step 3: Cross multiply
   12,380.13x = 17,085.78 × 7,073.93
4. Step 4: Simplify right side
   12,380.13x = 120,863,654.43
5. Step 5: Solve for x
   x = 120,863,654.43/12,380.13
6. Step 6: Final answer
   x = 9,762.71