Finding the Fourth Proportional to 10,389.06, 14,241.83 and 10,200.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,389.06 : 14,241.83 = 10,200.42 : x
2. Step 2: Convert to fraction form
   10,389.06/14,241.83 = 10,200.42/x
3. Step 3: Cross multiply
   10,389.06x = 14,241.83 × 10,200.42
4. Step 4: Simplify right side
   10,389.06x = 145,272,596.57
5. Step 5: Solve for x
   x = 145,272,596.57/10,389.06
6. Step 6: Final answer
   x = 13,983.23