Finding the Fourth Proportional to 9,385.52, 12,951.42 and 5,193.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,385.52 : 12,951.42 = 5,193.50 : x
2. Step 2: Convert to fraction form
   9,385.52/12,951.42 = 5,193.50/x
3. Step 3: Cross multiply
   9,385.52x = 12,951.42 × 5,193.50
4. Step 4: Simplify right side
   9,385.52x = 67,263,199.77
5. Step 5: Solve for x
   x = 67,263,199.77/9,385.52
6. Step 6: Final answer
   x = 7,166.70