Finding the Fourth Proportional to 7,035.49, 10,558.25 and 5,191.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,035.49 : 10,558.25 = 5,191.43 : x
2. Step 2: Convert to fraction form
   7,035.49/10,558.25 = 5,191.43/x
3. Step 3: Cross multiply
   7,035.49x = 10,558.25 × 5,191.43
4. Step 4: Simplify right side
   7,035.49x = 54,812,356.52
5. Step 5: Solve for x
   x = 54,812,356.52/7,035.49
6. Step 6: Final answer
   x = 7,790.84