Finding the Fourth Proportional to 19,173.59, 28,764.71 and 5,847.76

Step by Step Solution

1. Step 1: Write the proportion equation
   19,173.59 : 28,764.71 = 5,847.76 : x
2. Step 2: Convert to fraction form
   19,173.59/28,764.71 = 5,847.76/x
3. Step 3: Cross multiply
   19,173.59x = 28,764.71 × 5,847.76
4. Step 4: Simplify right side
   19,173.59x = 168,209,120.55
5. Step 5: Solve for x
   x = 168,209,120.55/19,173.59
6. Step 6: Final answer
   x = 8,772.96