Finding the Fourth Proportional to 17,778.71, 24,533.93 and 9,820.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,778.71 : 24,533.93 = 9,820.76 : x
2. Step 2: Convert to fraction form
   17,778.71/24,533.93 = 9,820.76/x
3. Step 3: Cross multiply
   17,778.71x = 24,533.93 × 9,820.76
4. Step 4: Simplify right side
   17,778.71x = 240,941,740.27
5. Step 5: Solve for x
   x = 240,941,740.27/17,778.71
6. Step 6: Final answer
   x = 13,552.26