Finding the Fourth Proportional to 2,365.72, 3,264.98 and 1,357.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,365.72 : 3,264.98 = 1,357.79 : x
2. Step 2: Convert to fraction form
   2,365.72/3,264.98 = 1,357.79/x
3. Step 3: Cross multiply
   2,365.72x = 3,264.98 × 1,357.79
4. Step 4: Simplify right side
   2,365.72x = 4,433,157.19
5. Step 5: Solve for x
   x = 4,433,157.19/2,365.72
6. Step 6: Final answer
   x = 1,873.91