Finding the Fourth Proportional to 195,294, 269,505.72 and 105,870

Step by Step Solution

1. Step 1: Write the proportion equation
   195,294 : 269,505.72 = 105,870 : x
2. Step 2: Convert to fraction form
   195,294/269,505.72 = 105,870/x
3. Step 3: Cross multiply
   195,294x = 269,505.72 × 105,870
4. Step 4: Simplify right side
   195,294x = 28,532,570,576.40
5. Step 5: Solve for x
   x = 28,532,570,576.40/195,294
6. Step 6: Final answer
   x = 146,100.60