Finding the Fourth Proportional to 2,415.15, 3,623.01 and 854.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415.15 : 3,623.01 = 854.83 : x
2. Step 2: Convert to fraction form
   2,415.15/3,623.01 = 854.83/x
3. Step 3: Cross multiply
   2,415.15x = 3,623.01 × 854.83
4. Step 4: Simplify right side
   2,415.15x = 3,097,048.58
5. Step 5: Solve for x
   x = 3,097,048.58/2,415.15
6. Step 6: Final answer
   x = 1,282.34