Finding the Fourth Proportional to 30,703.50, 42,370.83 and 17,455.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,703.50 : 42,370.83 = 17,455.50 : x
2. Step 2: Convert to fraction form
   30,703.50/42,370.83 = 17,455.50/x
3. Step 3: Cross multiply
   30,703.50x = 42,370.83 × 17,455.50
4. Step 4: Simplify right side
   30,703.50x = 739,604,023.07
5. Step 5: Solve for x
   x = 739,604,023.07/30,703.50
6. Step 6: Final answer
   x = 24,088.59