Finding the Fourth Proportional to 1,870.93, 2,811.86 and 1,849.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.93 : 2,811.86 = 1,849.06 : x
2. Step 2: Convert to fraction form
   1,870.93/2,811.86 = 1,849.06/x
3. Step 3: Cross multiply
   1,870.93x = 2,811.86 × 1,849.06
4. Step 4: Simplify right side
   1,870.93x = 5,199,274.55
5. Step 5: Solve for x
   x = 5,199,274.55/1,870.93
6. Step 6: Final answer
   x = 2,778.99