Finding the Fourth Proportional to 17,300.81, 23,873.45 and 10,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,300.81 : 23,873.45 = 10,131.50 : x
2. Step 2: Convert to fraction form
   17,300.81/23,873.45 = 10,131.50/x
3. Step 3: Cross multiply
   17,300.81x = 23,873.45 × 10,131.50
4. Step 4: Simplify right side
   17,300.81x = 241,873,688.65
5. Step 5: Solve for x
   x = 241,873,688.65/17,300.81
6. Step 6: Final answer
   x = 13,980.49