Finding the Fourth Proportional to 30,877.62, 42,611.04 and 16,730.46

Step by Step Solution

1. Step 1: Write the proportion equation
   30,877.62 : 42,611.04 = 16,730.46 : x
2. Step 2: Convert to fraction form
   30,877.62/42,611.04 = 16,730.46/x
3. Step 3: Cross multiply
   30,877.62x = 42,611.04 × 16,730.46
4. Step 4: Simplify right side
   30,877.62x = 712,902,300.28
5. Step 5: Solve for x
   x = 712,902,300.28/30,877.62
6. Step 6: Final answer
   x = 23,087.99