Finding the Fourth Proportional to 2,053.16, 3,066.64 and 1,857.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.16 : 3,066.64 = 1,857.86 : x
2. Step 2: Convert to fraction form
   2,053.16/3,066.64 = 1,857.86/x
3. Step 3: Cross multiply
   2,053.16x = 3,066.64 × 1,857.86
4. Step 4: Simplify right side
   2,053.16x = 5,697,378.50
5. Step 5: Solve for x
   x = 5,697,378.50/2,053.16
6. Step 6: Final answer
   x = 2,774.93