Finding the Fourth Proportional to 78,593.42, 108,458.92 and 42,783.69

Step by Step Solution

1. Step 1: Write the proportion equation
   78,593.42 : 108,458.92 = 42,783.69 : x
2. Step 2: Convert to fraction form
   78,593.42/108,458.92 = 42,783.69/x
3. Step 3: Cross multiply
   78,593.42x = 108,458.92 × 42,783.69
4. Step 4: Simplify right side
   78,593.42x = 4,640,272,811.01
5. Step 5: Solve for x
   x = 4,640,272,811.01/78,593.42
6. Step 6: Final answer
   x = 59,041.50