Finding the Fourth Proportional to 7,250.10, 10,005.15 and 4,106.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,250.10 : 10,005.15 = 4,106.28 : x
2. Step 2: Convert to fraction form
   7,250.10/10,005.15 = 4,106.28/x
3. Step 3: Cross multiply
   7,250.10x = 10,005.15 × 4,106.28
4. Step 4: Simplify right side
   7,250.10x = 41,083,947.34
5. Step 5: Solve for x
   x = 41,083,947.34/7,250.10
6. Step 6: Final answer
   x = 5,666.67