Finding the Fourth Proportional to 30,970.16, 42,735.87 and 17,538.83

Step by Step Solution

1. Step 1: Write the proportion equation
   30,970.16 : 42,735.87 = 17,538.83 : x
2. Step 2: Convert to fraction form
   30,970.16/42,735.87 = 17,538.83/x
3. Step 3: Cross multiply
   30,970.16x = 42,735.87 × 17,538.83
4. Step 4: Simplify right side
   30,970.16x = 749,536,945.15
5. Step 5: Solve for x
   x = 749,536,945.15/30,970.16
6. Step 6: Final answer
   x = 24,201.91