Finding the Fourth Proportional to 17,778.17, 24,533.40 and 9,820.22

Step by Step Solution

1. Step 1: Write the proportion equation
   17,778.17 : 24,533.40 = 9,820.22 : x
2. Step 2: Convert to fraction form
   17,778.17/24,533.40 = 9,820.22/x
3. Step 3: Cross multiply
   17,778.17x = 24,533.40 × 9,820.22
4. Step 4: Simplify right side
   17,778.17x = 240,923,385.35
5. Step 5: Solve for x
   x = 240,923,385.35/17,778.17
6. Step 6: Final answer
   x = 13,551.64