Finding the Fourth Proportional to 1,978.52, 2,967.01 and 745.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.52 : 2,967.01 = 745.26 : x
2. Step 2: Convert to fraction form
   1,978.52/2,967.01 = 745.26/x
3. Step 3: Cross multiply
   1,978.52x = 2,967.01 × 745.26
4. Step 4: Simplify right side
   1,978.52x = 2,211,185.59
5. Step 5: Solve for x
   x = 2,211,185.59/1,978.52
6. Step 6: Final answer
   x = 1,117.60