Finding the Fourth Proportional to 1,368.18, 1,888.17 and 1,036.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368.18 : 1,888.17 = 1,036.08 : x
2. Step 2: Convert to fraction form
   1,368.18/1,888.17 = 1,036.08/x
3. Step 3: Cross multiply
   1,368.18x = 1,888.17 × 1,036.08
4. Step 4: Simplify right side
   1,368.18x = 1,956,295.17
5. Step 5: Solve for x
   x = 1,956,295.17/1,368.18
6. Step 6: Final answer
   x = 1,429.85