Finding the Fourth Proportional to 10,316.49, 14,309.59 and 10,043.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,316.49 : 14,309.59 = 10,043.05 : x
2. Step 2: Convert to fraction form
   10,316.49/14,309.59 = 10,043.05/x
3. Step 3: Cross multiply
   10,316.49x = 14,309.59 × 10,043.05
4. Step 4: Simplify right side
   10,316.49x = 143,711,968.41
5. Step 5: Solve for x
   x = 143,711,968.41/10,316.49
6. Step 6: Final answer
   x = 13,930.31