Finding the Fourth Proportional to 1,368.42, 1,888.38 and 747.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368.42 : 1,888.38 = 747.42 : x
2. Step 2: Convert to fraction form
   1,368.42/1,888.38 = 747.42/x
3. Step 3: Cross multiply
   1,368.42x = 1,888.38 × 747.42
4. Step 4: Simplify right side
   1,368.42x = 1,411,412.98
5. Step 5: Solve for x
   x = 1,411,412.98/1,368.42
6. Step 6: Final answer
   x = 1,031.42