Finding the Fourth Proportional to 2,051.30, 3,079.68 and 1,745.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.30 : 3,079.68 = 1,745.12 : x
2. Step 2: Convert to fraction form
   2,051.30/3,079.68 = 1,745.12/x
3. Step 3: Cross multiply
   2,051.30x = 3,079.68 × 1,745.12
4. Step 4: Simplify right side
   2,051.30x = 5,374,389.22
5. Step 5: Solve for x
   x = 5,374,389.22/2,051.30
6. Step 6: Final answer
   x = 2,620.00