Finding the Fourth Proportional to 194,689, 268,670.82 and 105,265

Step by Step Solution

1. Step 1: Write the proportion equation
   194,689 : 268,670.82 = 105,265 : x
2. Step 2: Convert to fraction form
   194,689/268,670.82 = 105,265/x
3. Step 3: Cross multiply
   194,689x = 268,670.82 × 105,265
4. Step 4: Simplify right side
   194,689x = 28,281,633,867.30
5. Step 5: Solve for x
   x = 28,281,633,867.30/194,689
6. Step 6: Final answer
   x = 145,265.70