Finding the Fourth Proportional to 89,236, 123,145.68 and 49,492

Step by Step Solution

1. Step 1: Write the proportion equation
   89,236 : 123,145.68 = 49,492 : x
2. Step 2: Convert to fraction form
   89,236/123,145.68 = 49,492/x
3. Step 3: Cross multiply
   89,236x = 123,145.68 × 49,492
4. Step 4: Simplify right side
   89,236x = 6,094,725,994.56
5. Step 5: Solve for x
   x = 6,094,725,994.56/89,236
6. Step 6: Final answer
   x = 68,298.96