Finding the Fourth Proportional to 194,886.06, 268,943.55 and 105,462.06

Step by Step Solution

1. Step 1: Write the proportion equation
   194,886.06 : 268,943.55 = 105,462.06 : x
2. Step 2: Convert to fraction form
   194,886.06/268,943.55 = 105,462.06/x
3. Step 3: Cross multiply
   194,886.06x = 268,943.55 × 105,462.06
4. Step 4: Simplify right side
   194,886.06x = 28,363,340,806.71
5. Step 5: Solve for x
   x = 28,363,340,806.71/194,886.06
6. Step 6: Final answer
   x = 145,538.07