Finding the Fourth Proportional to 7,385.41, 10,191.69 and 4,028.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,385.41 : 10,191.69 = 4,028.30 : x
2. Step 2: Convert to fraction form
   7,385.41/10,191.69 = 4,028.30/x
3. Step 3: Cross multiply
   7,385.41x = 10,191.69 × 4,028.30
4. Step 4: Simplify right side
   7,385.41x = 41,055,184.83
5. Step 5: Solve for x
   x = 41,055,184.83/7,385.41
6. Step 6: Final answer
   x = 5,558.96