Finding the Fourth Proportional to 13,085.54, 19,630.83 and 5,588.99

Step by Step Solution

1. Step 1: Write the proportion equation
   13,085.54 : 19,630.83 = 5,588.99 : x
2. Step 2: Convert to fraction form
   13,085.54/19,630.83 = 5,588.99/x
3. Step 3: Cross multiply
   13,085.54x = 19,630.83 × 5,588.99
4. Step 4: Simplify right side
   13,085.54x = 109,716,414.41
5. Step 5: Solve for x
   x = 109,716,414.41/13,085.54
6. Step 6: Final answer
   x = 8,384.56