Finding the Fourth Proportional to 79,499.34, 119,281.64 and 42,049.40

Step by Step Solution

1. Step 1: Write the proportion equation
   79,499.34 : 119,281.64 = 42,049.40 : x
2. Step 2: Convert to fraction form
   79,499.34/119,281.64 = 42,049.40/x
3. Step 3: Cross multiply
   79,499.34x = 119,281.64 × 42,049.40
4. Step 4: Simplify right side
   79,499.34x = 5,015,720,586.36
5. Step 5: Solve for x
   x = 5,015,720,586.36/79,499.34
6. Step 6: Final answer
   x = 63,091.35