Finding the Fourth Proportional to 3,406.32, 5,108.86 and 940.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,406.32 : 5,108.86 = 940.52 : x
2. Step 2: Convert to fraction form
   3,406.32/5,108.86 = 940.52/x
3. Step 3: Cross multiply
   3,406.32x = 5,108.86 × 940.52
4. Step 4: Simplify right side
   3,406.32x = 4,804,985.01
5. Step 5: Solve for x
   x = 4,804,985.01/3,406.32
6. Step 6: Final answer
   x = 1,410.61