Finding the Fourth Proportional to 2,086.95, 3,130.12 and 700.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.95 : 3,130.12 = 700.23 : x
2. Step 2: Convert to fraction form
   2,086.95/3,130.12 = 700.23/x
3. Step 3: Cross multiply
   2,086.95x = 3,130.12 × 700.23
4. Step 4: Simplify right side
   2,086.95x = 2,191,803.93
5. Step 5: Solve for x
   x = 2,191,803.93/2,086.95
6. Step 6: Final answer
   x = 1,050.24