Finding the Fourth Proportional to 30,818.88, 42,530.06 and 17,392.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,818.88 : 42,530.06 = 17,392.98 : x
2. Step 2: Convert to fraction form
   30,818.88/42,530.06 = 17,392.98/x
3. Step 3: Cross multiply
   30,818.88x = 42,530.06 × 17,392.98
4. Step 4: Simplify right side
   30,818.88x = 739,724,482.98
5. Step 5: Solve for x
   x = 739,724,482.98/30,818.88
6. Step 6: Final answer
   x = 24,002.32