Finding the Fourth Proportional to 16,967.50, 23,407.02 and 10,156.87

Step by Step Solution

1. Step 1: Write the proportion equation
   16,967.50 : 23,407.02 = 10,156.87 : x
2. Step 2: Convert to fraction form
   16,967.50/23,407.02 = 10,156.87/x
3. Step 3: Cross multiply
   16,967.50x = 23,407.02 × 10,156.87
4. Step 4: Simplify right side
   16,967.50x = 237,742,059.23
5. Step 5: Solve for x
   x = 237,742,059.23/16,967.50
6. Step 6: Final answer
   x = 14,011.61