Finding the Fourth Proportional to 143,012, 196,656.72 and 124,116.32

Step by Step Solution

1. Step 1: Write the proportion equation
   143,012 : 196,656.72 = 124,116.32 : x
2. Step 2: Convert to fraction form
   143,012/196,656.72 = 124,116.32/x
3. Step 3: Cross multiply
   143,012x = 196,656.72 × 124,116.32
4. Step 4: Simplify right side
   143,012x = 24,408,308,389.67
5. Step 5: Solve for x
   x = 24,408,308,389.67/143,012
6. Step 6: Final answer
   x = 170,673.15