Finding the Fourth Proportional to 9,385.57, 12,952.50 and 5,193.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,385.57 : 12,952.50 = 5,193.82 : x
2. Step 2: Convert to fraction form
   9,385.57/12,952.50 = 5,193.82/x
3. Step 3: Cross multiply
   9,385.57x = 12,952.50 × 5,193.82
4. Step 4: Simplify right side
   9,385.57x = 67,272,953.55
5. Step 5: Solve for x
   x = 67,272,953.55/9,385.57
6. Step 6: Final answer
   x = 7,167.70