Finding the Fourth Proportional to 195,123, 269,269.82 and 105,699

Step by Step Solution

1. Step 1: Write the proportion equation
   195,123 : 269,269.82 = 105,699 : x
2. Step 2: Convert to fraction form
   195,123/269,269.82 = 105,699/x
3. Step 3: Cross multiply
   195,123x = 269,269.82 × 105,699
4. Step 4: Simplify right side
   195,123x = 28,461,550,704.18
5. Step 5: Solve for x
   x = 28,461,550,704.18/195,123
6. Step 6: Final answer
   x = 145,864.66