Finding the Fourth Proportional to 7,003.75, 10,506.72 and 2,072.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.75 : 10,506.72 = 2,072.89 : x
2. Step 2: Convert to fraction form
   7,003.75/10,506.72 = 2,072.89/x
3. Step 3: Cross multiply
   7,003.75x = 10,506.72 × 2,072.89
4. Step 4: Simplify right side
   7,003.75x = 21,779,274.82
5. Step 5: Solve for x
   x = 21,779,274.82/7,003.75
6. Step 6: Final answer
   x = 3,109.66