Finding the Fourth Proportional to 42,440.32, 63,667.68 and 19,083.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,440.32 : 63,667.68 = 19,083.16 : x
2. Step 2: Convert to fraction form
   42,440.32/63,667.68 = 19,083.16/x
3. Step 3: Cross multiply
   42,440.32x = 63,667.68 × 19,083.16
4. Step 4: Simplify right side
   42,440.32x = 1,214,980,524.27
5. Step 5: Solve for x
   x = 1,214,980,524.27/42,440.32
6. Step 6: Final answer
   x = 28,627.98