Finding the Fourth Proportional to 7,385.73, 10,194.24 and 4,200.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,385.73 : 10,194.24 = 4,200.89 : x
2. Step 2: Convert to fraction form
   7,385.73/10,194.24 = 4,200.89/x
3. Step 3: Cross multiply
   7,385.73x = 10,194.24 × 4,200.89
4. Step 4: Simplify right side
   7,385.73x = 42,824,880.87
5. Step 5: Solve for x
   x = 42,824,880.87/7,385.73
6. Step 6: Final answer
   x = 5,798.33