Finding the Fourth Proportional to 78,533.43, 108,375.60 and 42,723.57

Step by Step Solution

1. Step 1: Write the proportion equation
   78,533.43 : 108,375.60 = 42,723.57 : x
2. Step 2: Convert to fraction form
   78,533.43/108,375.60 = 42,723.57/x
3. Step 3: Cross multiply
   78,533.43x = 108,375.60 × 42,723.57
4. Step 4: Simplify right side
   78,533.43x = 4,630,193,099.51
5. Step 5: Solve for x
   x = 4,630,193,099.51/78,533.43
6. Step 6: Final answer
   x = 58,958.25