Finding the Fourth Proportional to 4,389.50, 6,587.71 and 1,926.02

Step by Step Solution

1. Step 1: Write the proportion equation
   4,389.50 : 6,587.71 = 1,926.02 : x
2. Step 2: Convert to fraction form
   4,389.50/6,587.71 = 1,926.02/x
3. Step 3: Cross multiply
   4,389.50x = 6,587.71 × 1,926.02
4. Step 4: Simplify right side
   4,389.50x = 12,688,061.21
5. Step 5: Solve for x
   x = 12,688,061.21/4,389.50
6. Step 6: Final answer
   x = 2,890.55