Finding the Fourth Proportional to 12,373.55, 17,098.86 and 9,384.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,373.55 : 17,098.86 = 9,384.04 : x
2. Step 2: Convert to fraction form
   12,373.55/17,098.86 = 9,384.04/x
3. Step 3: Cross multiply
   12,373.55x = 17,098.86 × 9,384.04
4. Step 4: Simplify right side
   12,373.55x = 160,456,386.19
5. Step 5: Solve for x
   x = 160,456,386.19/12,373.55
6. Step 6: Final answer
   x = 12,967.69