Finding the Fourth Proportional to 17,031.86, 23,505.42 and 9,477.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,031.86 : 23,505.42 = 9,477.98 : x
2. Step 2: Convert to fraction form
   17,031.86/23,505.42 = 9,477.98/x
3. Step 3: Cross multiply
   17,031.86x = 23,505.42 × 9,477.98
4. Step 4: Simplify right side
   17,031.86x = 222,783,900.65
5. Step 5: Solve for x
   x = 222,783,900.65/17,031.86
6. Step 6: Final answer
   x = 13,080.42