Finding the Fourth Proportional to 30,478.50, 42,059.16 and 17,051.00

Step by Step Solution

1. Step 1: Write the proportion equation
   30,478.50 : 42,059.16 = 17,051.00 : x
2. Step 2: Convert to fraction form
   30,478.50/42,059.16 = 17,051.00/x
3. Step 3: Cross multiply
   30,478.50x = 42,059.16 × 17,051.00
4. Step 4: Simplify right side
   30,478.50x = 717,150,526.86
5. Step 5: Solve for x
   x = 717,150,526.86/30,478.50
6. Step 6: Final answer
   x = 23,529.72