Finding the Fourth Proportional to 19,152.74, 28,725.86 and 5,298.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,152.74 : 28,725.86 = 5,298.50 : x
2. Step 2: Convert to fraction form
   19,152.74/28,725.86 = 5,298.50/x
3. Step 3: Cross multiply
   19,152.74x = 28,725.86 × 5,298.50
4. Step 4: Simplify right side
   19,152.74x = 152,203,969.21
5. Step 5: Solve for x
   x = 152,203,969.21/19,152.74
6. Step 6: Final answer
   x = 7,946.85