Finding the Fourth Proportional to 79,914.78, 119,833.29 and 42,492.78

Step by Step Solution

1. Step 1: Write the proportion equation
   79,914.78 : 119,833.29 = 42,492.78 : x
2. Step 2: Convert to fraction form
   79,914.78/119,833.29 = 42,492.78/x
3. Step 3: Cross multiply
   79,914.78x = 119,833.29 × 42,492.78
4. Step 4: Simplify right side
   79,914.78x = 5,092,049,628.65
5. Step 5: Solve for x
   x = 5,092,049,628.65/79,914.78
6. Step 6: Final answer
   x = 63,718.50