Finding the Fourth Proportional to 2,070.00, 2,856.61 and 1,125.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.00 : 2,856.61 = 1,125.80 : x
2. Step 2: Convert to fraction form
   2,070.00/2,856.61 = 1,125.80/x
3. Step 3: Cross multiply
   2,070.00x = 2,856.61 × 1,125.80
4. Step 4: Simplify right side
   2,070.00x = 3,215,958.77
5. Step 5: Solve for x
   x = 3,215,958.77/2,070.00
6. Step 6: Final answer
   x = 1,553.61