Finding the Fourth Proportional to 978.09, 1,460.27 and 745.74

Step by Step Solution

1. Step 1: Write the proportion equation
   978.09 : 1,460.27 = 745.74 : x
2. Step 2: Convert to fraction form
   978.09/1,460.27 = 745.74/x
3. Step 3: Cross multiply
   978.09x = 1,460.27 × 745.74
4. Step 4: Simplify right side
   978.09x = 1,088,978.02
5. Step 5: Solve for x
   x = 1,088,978.02/978.09
6. Step 6: Final answer
   x = 1,113.37