Finding the Fourth Proportional to 2,405.80, 3,607.34 and 944.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.80 : 3,607.34 = 944.16 : x
2. Step 2: Convert to fraction form
   2,405.80/3,607.34 = 944.16/x
3. Step 3: Cross multiply
   2,405.80x = 3,607.34 × 944.16
4. Step 4: Simplify right side
   2,405.80x = 3,405,887.89
5. Step 5: Solve for x
   x = 3,405,887.89/2,405.80
6. Step 6: Final answer
   x = 1,415.70