Finding the Fourth Proportional to 195,039, 269,153.82 and 105,615

Step by Step Solution

1. Step 1: Write the proportion equation
   195,039 : 269,153.82 = 105,615 : x
2. Step 2: Convert to fraction form
   195,039/269,153.82 = 105,615/x
3. Step 3: Cross multiply
   195,039x = 269,153.82 × 105,615
4. Step 4: Simplify right side
   195,039x = 28,426,680,699.30
5. Step 5: Solve for x
   x = 28,426,680,699.30/195,039
6. Step 6: Final answer
   x = 145,748.70