Finding the Fourth Proportional to 17,435.76, 24,061.23 and 9,477.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,435.76 : 24,061.23 = 9,477.78 : x
2. Step 2: Convert to fraction form
   17,435.76/24,061.23 = 9,477.78/x
3. Step 3: Cross multiply
   17,435.76x = 24,061.23 × 9,477.78
4. Step 4: Simplify right side
   17,435.76x = 228,047,044.47
5. Step 5: Solve for x
   x = 228,047,044.47/17,435.76
6. Step 6: Final answer
   x = 13,079.27