Finding the Fourth Proportional to 2,609.86, 3,601.57 and 1,430.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.86 : 3,601.57 = 1,430.93 : x
2. Step 2: Convert to fraction form
   2,609.86/3,601.57 = 1,430.93/x
3. Step 3: Cross multiply
   2,609.86x = 3,601.57 × 1,430.93
4. Step 4: Simplify right side
   2,609.86x = 5,153,594.56
5. Step 5: Solve for x
   x = 5,153,594.56/2,609.86
6. Step 6: Final answer
   x = 1,974.66