Finding the Fourth Proportional to 7,003.50, 10,506.34 and 2,621.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.50 : 10,506.34 = 2,621.58 : x
2. Step 2: Convert to fraction form
   7,003.50/10,506.34 = 2,621.58/x
3. Step 3: Cross multiply
   7,003.50x = 10,506.34 × 2,621.58
4. Step 4: Simplify right side
   7,003.50x = 27,543,210.82
5. Step 5: Solve for x
   x = 27,543,210.82/7,003.50
6. Step 6: Final answer
   x = 3,932.78