Finding the Fourth Proportional to 7,500.84, 10,355.58 and 5,146.44

Step by Step Solution

1. Step 1: Write the proportion equation
   7,500.84 : 10,355.58 = 5,146.44 : x
2. Step 2: Convert to fraction form
   7,500.84/10,355.58 = 5,146.44/x
3. Step 3: Cross multiply
   7,500.84x = 10,355.58 × 5,146.44
4. Step 4: Simplify right side
   7,500.84x = 53,294,371.14
5. Step 5: Solve for x
   x = 53,294,371.14/7,500.84
6. Step 6: Final answer
   x = 7,105.12