Finding the Fourth Proportional to 2,116.86, 3,159.58 and 1,897.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.86 : 3,159.58 = 1,897.62 : x
2. Step 2: Convert to fraction form
   2,116.86/3,159.58 = 1,897.62/x
3. Step 3: Cross multiply
   2,116.86x = 3,159.58 × 1,897.62
4. Step 4: Simplify right side
   2,116.86x = 5,995,682.20
5. Step 5: Solve for x
   x = 5,995,682.20/2,116.86
6. Step 6: Final answer
   x = 2,832.35