Finding the Fourth Proportional to 2,510.38, 3,460.50 and 2,111.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.38 : 3,460.50 = 2,111.86 : x
2. Step 2: Convert to fraction form
   2,510.38/3,460.50 = 2,111.86/x
3. Step 3: Cross multiply
   2,510.38x = 3,460.50 × 2,111.86
4. Step 4: Simplify right side
   2,510.38x = 7,308,091.53
5. Step 5: Solve for x
   x = 7,308,091.53/2,510.38
6. Step 6: Final answer
   x = 2,911.15