Finding the Fourth Proportional to 2,602.18, 3,900.27 and 1,445.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.18 : 3,900.27 = 1,445.62 : x
2. Step 2: Convert to fraction form
   2,602.18/3,900.27 = 1,445.62/x
3. Step 3: Cross multiply
   2,602.18x = 3,900.27 × 1,445.62
4. Step 4: Simplify right side
   2,602.18x = 5,638,308.32
5. Step 5: Solve for x
   x = 5,638,308.32/2,602.18
6. Step 6: Final answer
   x = 2,166.76