Finding the Fourth Proportional to 79,788.14, 119,580.45 and 42,366.14

Step by Step Solution

1. Step 1: Write the proportion equation
   79,788.14 : 119,580.45 = 42,366.14 : x
2. Step 2: Convert to fraction form
   79,788.14/119,580.45 = 42,366.14/x
3. Step 3: Cross multiply
   79,788.14x = 119,580.45 × 42,366.14
4. Step 4: Simplify right side
   79,788.14x = 5,066,162,085.96
5. Step 5: Solve for x
   x = 5,066,162,085.96/79,788.14
6. Step 6: Final answer
   x = 63,495.18