Finding the Fourth Proportional to 35,196.80, 48,576.20 and 20,085.99

Step by Step Solution

1. Step 1: Write the proportion equation
   35,196.80 : 48,576.20 = 20,085.99 : x
2. Step 2: Convert to fraction form
   35,196.80/48,576.20 = 20,085.99/x
3. Step 3: Cross multiply
   35,196.80x = 48,576.20 × 20,085.99
4. Step 4: Simplify right side
   35,196.80x = 975,700,784.85
5. Step 5: Solve for x
   x = 975,700,784.85/35,196.80
6. Step 6: Final answer
   x = 27,721.30