Finding the Fourth Proportional to 78,593.35, 108,458.84 and 42,783.63

Step by Step Solution

1. Step 1: Write the proportion equation
   78,593.35 : 108,458.84 = 42,783.63 : x
2. Step 2: Convert to fraction form
   78,593.35/108,458.84 = 42,783.63/x
3. Step 3: Cross multiply
   78,593.35x = 108,458.84 × 42,783.63
4. Step 4: Simplify right side
   78,593.35x = 4,640,262,880.79
5. Step 5: Solve for x
   x = 4,640,262,880.79/78,593.35
6. Step 6: Final answer
   x = 59,041.42