Finding the Fourth Proportional to 2,994.30, 4,131.81 and 1,859.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,994.30 : 4,131.81 = 1,859.22 : x
2. Step 2: Convert to fraction form
   2,994.30/4,131.81 = 1,859.22/x
3. Step 3: Cross multiply
   2,994.30x = 4,131.81 × 1,859.22
4. Step 4: Simplify right side
   2,994.30x = 7,681,943.79
5. Step 5: Solve for x
   x = 7,681,943.79/2,994.30
6. Step 6: Final answer
   x = 2,565.52