Finding the Fourth Proportional to 42,320.70, 63,501.83 and 17,019.19

Step by Step Solution

1. Step 1: Write the proportion equation
   42,320.70 : 63,501.83 = 17,019.19 : x
2. Step 2: Convert to fraction form
   42,320.70/63,501.83 = 17,019.19/x
3. Step 3: Cross multiply
   42,320.70x = 63,501.83 × 17,019.19
4. Step 4: Simplify right side
   42,320.70x = 1,080,749,667.57
5. Step 5: Solve for x
   x = 1,080,749,667.57/42,320.70
6. Step 6: Final answer
   x = 25,537.14