Finding the Fourth Proportional to 48,439, 72,683.22 and 19,996.96

Step by Step Solution

1. Step 1: Write the proportion equation
   48,439 : 72,683.22 = 19,996.96 : x
2. Step 2: Convert to fraction form
   48,439/72,683.22 = 19,996.96/x
3. Step 3: Cross multiply
   48,439x = 72,683.22 × 19,996.96
4. Step 4: Simplify right side
   48,439x = 1,453,443,443.01
5. Step 5: Solve for x
   x = 1,453,443,443.01/48,439
6. Step 6: Final answer
   x = 30,005.65