Finding the Fourth Proportional to 7,005.06, 10,507.89 and 2,074.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,005.06 : 10,507.89 = 2,074.59 : x
2. Step 2: Convert to fraction form
   7,005.06/10,507.89 = 2,074.59/x
3. Step 3: Cross multiply
   7,005.06x = 10,507.89 × 2,074.59
4. Step 4: Simplify right side
   7,005.06x = 21,799,563.52
5. Step 5: Solve for x
   x = 21,799,563.52/7,005.06
6. Step 6: Final answer
   x = 3,111.97