Finding the Fourth Proportional to 7,004.34, 10,506.72 and 1,810.23

Step by Step Solution

1. Step 1: Write the proportion equation
   7,004.34 : 10,506.72 = 1,810.23 : x
2. Step 2: Convert to fraction form
   7,004.34/10,506.72 = 1,810.23/x
3. Step 3: Cross multiply
   7,004.34x = 10,506.72 × 1,810.23
4. Step 4: Simplify right side
   7,004.34x = 19,019,579.75
5. Step 5: Solve for x
   x = 19,019,579.75/7,004.34
6. Step 6: Final answer
   x = 2,715.40