Finding the Fourth Proportional to 2,090.52, 3,133.08 and 856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.52 : 3,133.08 = 856.50 : x
2. Step 2: Convert to fraction form
   2,090.52/3,133.08 = 856.50/x
3. Step 3: Cross multiply
   2,090.52x = 3,133.08 × 856.50
4. Step 4: Simplify right side
   2,090.52x = 2,683,483.02
5. Step 5: Solve for x
   x = 2,683,483.02/2,090.52
6. Step 6: Final answer
   x = 1,283.64