Finding the Fourth Proportional to 2,120.93, 3,179.72 and 1,025.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120.93 : 3,179.72 = 1,025.00 : x
2. Step 2: Convert to fraction form
   2,120.93/3,179.72 = 1,025.00/x
3. Step 3: Cross multiply
   2,120.93x = 3,179.72 × 1,025.00
4. Step 4: Simplify right side
   2,120.93x = 3,259,191.98
5. Step 5: Solve for x
   x = 3,259,191.98/2,120.93
6. Step 6: Final answer
   x = 1,536.68