Finding the Fourth Proportional to 20,386.35, 30,578.04 and 5,594.00

Step by Step Solution

1. Step 1: Write the proportion equation
   20,386.35 : 30,578.04 = 5,594.00 : x
2. Step 2: Convert to fraction form
   20,386.35/30,578.04 = 5,594.00/x
3. Step 3: Cross multiply
   20,386.35x = 30,578.04 × 5,594.00
4. Step 4: Simplify right side
   20,386.35x = 171,053,402.87
5. Step 5: Solve for x
   x = 171,053,402.87/20,386.35
6. Step 6: Final answer
   x = 8,390.59