Finding the Fourth Proportional to 14,080.84, 19,423.54 and 12,406.28

Step by Step Solution

1. Step 1: Write the proportion equation
   14,080.84 : 19,423.54 = 12,406.28 : x
2. Step 2: Convert to fraction form
   14,080.84/19,423.54 = 12,406.28/x
3. Step 3: Cross multiply
   14,080.84x = 19,423.54 × 12,406.28
4. Step 4: Simplify right side
   14,080.84x = 240,973,875.83
5. Step 5: Solve for x
   x = 240,973,875.83/14,080.84
6. Step 6: Final answer
   x = 17,113.60