Finding the Fourth Proportional to 42,446.36, 63,667.56 and 17,480.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,446.36 : 63,667.56 = 17,480.18 : x
2. Step 2: Convert to fraction form
   42,446.36/63,667.56 = 17,480.18/x
3. Step 3: Cross multiply
   42,446.36x = 63,667.56 × 17,480.18
4. Step 4: Simplify right side
   42,446.36x = 1,112,920,408.96
5. Step 5: Solve for x
   x = 1,112,920,408.96/42,446.36
6. Step 6: Final answer
   x = 26,219.45