Finding the Fourth Proportional to 1,418.00, 1,957.01 and 1,086.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418.00 : 1,957.01 = 1,086.30 : x
2. Step 2: Convert to fraction form
   1,418.00/1,957.01 = 1,086.30/x
3. Step 3: Cross multiply
   1,418.00x = 1,957.01 × 1,086.30
4. Step 4: Simplify right side
   1,418.00x = 2,125,894.53
5. Step 5: Solve for x
   x = 2,125,894.53/1,418.00
6. Step 6: Final answer
   x = 1,499.23