Finding the Fourth Proportional to 143,426.89, 197,926.30 and 79,763.32

Step by Step Solution

1. Step 1: Write the proportion equation
   143,426.89 : 197,926.30 = 79,763.32 : x
2. Step 2: Convert to fraction form
   143,426.89/197,926.30 = 79,763.32/x
3. Step 3: Cross multiply
   143,426.89x = 197,926.30 × 79,763.32
4. Step 4: Simplify right side
   143,426.89x = 15,787,258,803.32
5. Step 5: Solve for x
   x = 15,787,258,803.32/143,426.89
6. Step 6: Final answer
   x = 110,071.82