Finding the Fourth Proportional to 78,392.55, 108,181.83 and 42,582.56

Step by Step Solution

1. Step 1: Write the proportion equation
   78,392.55 : 108,181.83 = 42,582.56 : x
2. Step 2: Convert to fraction form
   78,392.55/108,181.83 = 42,582.56/x
3. Step 3: Cross multiply
   78,392.55x = 108,181.83 × 42,582.56
4. Step 4: Simplify right side
   78,392.55x = 4,606,659,266.88
5. Step 5: Solve for x
   x = 4,606,659,266.88/78,392.55
6. Step 6: Final answer
   x = 58,763.99