Finding the Fourth Proportional to 30,529.98, 42,132.96 and 17,100.45

Step by Step Solution

1. Step 1: Write the proportion equation
   30,529.98 : 42,132.96 = 17,100.45 : x
2. Step 2: Convert to fraction form
   30,529.98/42,132.96 = 17,100.45/x
3. Step 3: Cross multiply
   30,529.98x = 42,132.96 × 17,100.45
4. Step 4: Simplify right side
   30,529.98x = 720,492,575.83
5. Step 5: Solve for x
   x = 720,492,575.83/30,529.98
6. Step 6: Final answer
   x = 23,599.51