Finding the Fourth Proportional to 143,312.50, 197,769.82 and 79,648.93

Step by Step Solution

1. Step 1: Write the proportion equation
   143,312.50 : 197,769.82 = 79,648.93 : x
2. Step 2: Convert to fraction form
   143,312.50/197,769.82 = 79,648.93/x
3. Step 3: Cross multiply
   143,312.50x = 197,769.82 × 79,648.93
4. Step 4: Simplify right side
   143,312.50x = 15,752,153,162.20
5. Step 5: Solve for x
   x = 15,752,153,162.20/143,312.50
6. Step 6: Final answer
   x = 109,914.72