Finding the Fourth Proportional to 194,859.59, 268,907.00 and 105,435.59

Step by Step Solution

1. Step 1: Write the proportion equation
   194,859.59 : 268,907.00 = 105,435.59 : x
2. Step 2: Convert to fraction form
   194,859.59/268,907.00 = 105,435.59/x
3. Step 3: Cross multiply
   194,859.59x = 268,907.00 × 105,435.59
4. Step 4: Simplify right side
   194,859.59x = 28,352,366,328.42
5. Step 5: Solve for x
   x = 28,352,366,328.42/194,859.59
6. Step 6: Final answer
   x = 145,501.52