Finding the Fourth Proportional to 30,955.79, 42,718.55 and 17,526.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,955.79 : 42,718.55 = 17,526.69 : x
2. Step 2: Convert to fraction form
   30,955.79/42,718.55 = 17,526.69/x
3. Step 3: Cross multiply
   30,955.79x = 42,718.55 × 17,526.69
4. Step 4: Simplify right side
   30,955.79x = 748,714,695.47
5. Step 5: Solve for x
   x = 748,714,695.47/30,955.79
6. Step 6: Final answer
   x = 24,186.58