Finding the Fourth Proportional to 2,119.16, 3,181.93 and 1,300.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.16 : 3,181.93 = 1,300.86 : x
2. Step 2: Convert to fraction form
   2,119.16/3,181.93 = 1,300.86/x
3. Step 3: Cross multiply
   2,119.16x = 3,181.93 × 1,300.86
4. Step 4: Simplify right side
   2,119.16x = 4,139,242.21
5. Step 5: Solve for x
   x = 4,139,242.21/2,119.16
6. Step 6: Final answer
   x = 1,953.24