Finding the Fourth Proportional to 5,925.98, 8,178.90 and 3,407.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,925.98 : 8,178.90 = 3,407.89 : x
2. Step 2: Convert to fraction form
   5,925.98/8,178.90 = 3,407.89/x
3. Step 3: Cross multiply
   5,925.98x = 8,178.90 × 3,407.89
4. Step 4: Simplify right side
   5,925.98x = 27,872,791.52
5. Step 5: Solve for x
   x = 27,872,791.52/5,925.98
6. Step 6: Final answer
   x = 4,703.49