Finding the Fourth Proportional to 42,667.16, 63,869.50 and 27,844.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,667.16 : 63,869.50 = 27,844.20 : x
2. Step 2: Convert to fraction form
   42,667.16/63,869.50 = 27,844.20/x
3. Step 3: Cross multiply
   42,667.16x = 63,869.50 × 27,844.20
4. Step 4: Simplify right side
   42,667.16x = 1,778,395,131.90
5. Step 5: Solve for x
   x = 1,778,395,131.90/42,667.16
6. Step 6: Final answer
   x = 41,680.65