Finding the Fourth Proportional to 30,956.58, 42,721.52 and 17,526.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,956.58 : 42,721.52 = 17,526.06 : x
2. Step 2: Convert to fraction form
   30,956.58/42,721.52 = 17,526.06/x
3. Step 3: Cross multiply
   30,956.58x = 42,721.52 × 17,526.06
4. Step 4: Simplify right side
   30,956.58x = 748,739,835.18
5. Step 5: Solve for x
   x = 748,739,835.18/30,956.58
6. Step 6: Final answer
   x = 24,186.77