Finding the Fourth Proportional to 2,302.96, 3,178.23 and 1,307.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,302.96 : 3,178.23 = 1,307.86 : x
2. Step 2: Convert to fraction form
   2,302.96/3,178.23 = 1,307.86/x
3. Step 3: Cross multiply
   2,302.96x = 3,178.23 × 1,307.86
4. Step 4: Simplify right side
   2,302.96x = 4,156,679.89
5. Step 5: Solve for x
   x = 4,156,679.89/2,302.96
6. Step 6: Final answer
   x = 1,804.93