Finding the Fourth Proportional to 2,445.82, 3,365.22 and 2,113.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.82 : 3,365.22 = 2,113.18 : x
2. Step 2: Convert to fraction form
   2,445.82/3,365.22 = 2,113.18/x
3. Step 3: Cross multiply
   2,445.82x = 3,365.22 × 2,113.18
4. Step 4: Simplify right side
   2,445.82x = 7,111,315.60
5. Step 5: Solve for x
   x = 7,111,315.60/2,445.82
6. Step 6: Final answer
   x = 2,907.54