Finding the Fourth Proportional to 12,948.48, 19,423.82 and 3,588.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,948.48 : 19,423.82 = 3,588.50 : x
2. Step 2: Convert to fraction form
   12,948.48/19,423.82 = 3,588.50/x
3. Step 3: Cross multiply
   12,948.48x = 19,423.82 × 3,588.50
4. Step 4: Simplify right side
   12,948.48x = 69,702,378.07
5. Step 5: Solve for x
   x = 69,702,378.07/12,948.48
6. Step 6: Final answer
   x = 5,383.05