Finding the Fourth Proportional to 35,477.88, 48,961.98 and 20,373

Step by Step Solution

1. Step 1: Write the proportion equation
   35,477.88 : 48,961.98 = 20,373 : x
2. Step 2: Convert to fraction form
   35,477.88/48,961.98 = 20,373/x
3. Step 3: Cross multiply
   35,477.88x = 48,961.98 × 20,373
4. Step 4: Simplify right side
   35,477.88x = 997,502,418.54
5. Step 5: Solve for x
   x = 997,502,418.54/35,477.88
6. Step 6: Final answer
   x = 28,116.18