Finding the Fourth Proportional to 30,956.38, 42,712.72 and 17,525.77

Step by Step Solution

1. Step 1: Write the proportion equation
   30,956.38 : 42,712.72 = 17,525.77 : x
2. Step 2: Convert to fraction form
   30,956.38/42,712.72 = 17,525.77/x
3. Step 3: Cross multiply
   30,956.38x = 42,712.72 × 17,525.77
4. Step 4: Simplify right side
   30,956.38x = 748,573,156.20
5. Step 5: Solve for x
   x = 748,573,156.20/30,956.38
6. Step 6: Final answer
   x = 24,181.55