Finding the Fourth Proportional to 195,047, 269,164.86 and 105,623

Step by Step Solution

1. Step 1: Write the proportion equation
   195,047 : 269,164.86 = 105,623 : x
2. Step 2: Convert to fraction form
   195,047/269,164.86 = 105,623/x
3. Step 3: Cross multiply
   195,047x = 269,164.86 × 105,623
4. Step 4: Simplify right side
   195,047x = 28,430,000,007.78
5. Step 5: Solve for x
   x = 28,430,000,007.78/195,047
6. Step 6: Final answer
   x = 145,759.74