Finding the Fourth Proportional to 1,368.86, 1,889.10 and 747.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368.86 : 1,889.10 = 747.86 : x
2. Step 2: Convert to fraction form
   1,368.86/1,889.10 = 747.86/x
3. Step 3: Cross multiply
   1,368.86x = 1,889.10 × 747.86
4. Step 4: Simplify right side
   1,368.86x = 1,412,782.33
5. Step 5: Solve for x
   x = 1,412,782.33/1,368.86
6. Step 6: Final answer
   x = 1,032.09