Finding the Fourth Proportional to 2,301.86, 3,176.40 and 1,307.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.86 : 3,176.40 = 1,307.16 : x
2. Step 2: Convert to fraction form
   2,301.86/3,176.40 = 1,307.16/x
3. Step 3: Cross multiply
   2,301.86x = 3,176.40 × 1,307.16
4. Step 4: Simplify right side
   2,301.86x = 4,152,063.02
5. Step 5: Solve for x
   x = 4,152,063.02/2,301.86
6. Step 6: Final answer
   x = 1,803.79