Finding the Fourth Proportional to 14,259.50, 19,686.76 and 9,300.14

Step by Step Solution

1. Step 1: Write the proportion equation
   14,259.50 : 19,686.76 = 9,300.14 : x
2. Step 2: Convert to fraction form
   14,259.50/19,686.76 = 9,300.14/x
3. Step 3: Cross multiply
   14,259.50x = 19,686.76 × 9,300.14
4. Step 4: Simplify right side
   14,259.50x = 183,089,624.15
5. Step 5: Solve for x
   x = 183,089,624.15/14,259.50
6. Step 6: Final answer
   x = 12,839.83