Finding the Fourth Proportional to 5,381.69, 8,072.51 and 1,683.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,381.69 : 8,072.51 = 1,683.59 : x
2. Step 2: Convert to fraction form
   5,381.69/8,072.51 = 1,683.59/x
3. Step 3: Cross multiply
   5,381.69x = 8,072.51 × 1,683.59
4. Step 4: Simplify right side
   5,381.69x = 13,590,748.33
5. Step 5: Solve for x
   x = 13,590,748.33/5,381.69
6. Step 6: Final answer
   x = 2,525.37