Finding the Fourth Proportional to 2,994.57, 4,131.86 and 1,815.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,994.57 : 4,131.86 = 1,815.93 : x
2. Step 2: Convert to fraction form
   2,994.57/4,131.86 = 1,815.93/x
3. Step 3: Cross multiply
   2,994.57x = 4,131.86 × 1,815.93
4. Step 4: Simplify right side
   2,994.57x = 7,503,159.45
5. Step 5: Solve for x
   x = 7,503,159.45/2,994.57
6. Step 6: Final answer
   x = 2,505.59