Finding the Fourth Proportional to 3,440.77, 5,160.38 and 974.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,440.77 : 5,160.38 = 974.93 : x
2. Step 2: Convert to fraction form
   3,440.77/5,160.38 = 974.93/x
3. Step 3: Cross multiply
   3,440.77x = 5,160.38 × 974.93
4. Step 4: Simplify right side
   3,440.77x = 5,030,978.60
5. Step 5: Solve for x
   x = 5,030,978.60/3,440.77
6. Step 6: Final answer
   x = 1,462.17