Finding the Fourth Proportional to 2,300.16, 3,174.18 and 2,111.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.16 : 3,174.18 = 2,111.87 : x
2. Step 2: Convert to fraction form
   2,300.16/3,174.18 = 2,111.87/x
3. Step 3: Cross multiply
   2,300.16x = 3,174.18 × 2,111.87
4. Step 4: Simplify right side
   2,300.16x = 6,703,455.53
5. Step 5: Solve for x
   x = 6,703,455.53/2,300.16
6. Step 6: Final answer
   x = 2,914.34