Finding the Fourth Proportional to 19,154.76, 28,728.88 and 5,300.52

Step by Step Solution

1. Step 1: Write the proportion equation
   19,154.76 : 28,728.88 = 5,300.52 : x
2. Step 2: Convert to fraction form
   19,154.76/28,728.88 = 5,300.52/x
3. Step 3: Cross multiply
   19,154.76x = 28,728.88 × 5,300.52
4. Step 4: Simplify right side
   19,154.76x = 152,278,003.02
5. Step 5: Solve for x
   x = 152,278,003.02/19,154.76
6. Step 6: Final answer
   x = 7,949.88