Finding the Fourth Proportional to 194,449, 268,339.80 and 105,025

Step by Step Solution

1. Step 1: Write the proportion equation
   194,449 : 268,339.80 = 105,025 : x
2. Step 2: Convert to fraction form
   194,449/268,339.80 = 105,025/x
3. Step 3: Cross multiply
   194,449x = 268,339.80 × 105,025
4. Step 4: Simplify right side
   194,449x = 28,182,387,495
5. Step 5: Solve for x
   x = 28,182,387,495/194,449
6. Step 6: Final answer
   x = 144,934.60