Finding the Fourth Proportional to 19,155.18, 28,733.25 and 5,304.30

Step by Step Solution

1. Step 1: Write the proportion equation
   19,155.18 : 28,733.25 = 5,304.30 : x
2. Step 2: Convert to fraction form
   19,155.18/28,733.25 = 5,304.30/x
3. Step 3: Cross multiply
   19,155.18x = 28,733.25 × 5,304.30
4. Step 4: Simplify right side
   19,155.18x = 152,409,777.98
5. Step 5: Solve for x
   x = 152,409,777.98/19,155.18
6. Step 6: Final answer
   x = 7,956.58