Finding the Fourth Proportional to 78,593.92, 108,459.61 and 42,784.19

Step by Step Solution

1. Step 1: Write the proportion equation
   78,593.92 : 108,459.61 = 42,784.19 : x
2. Step 2: Convert to fraction form
   78,593.92/108,459.61 = 42,784.19/x
3. Step 3: Cross multiply
   78,593.92x = 108,459.61 × 42,784.19
4. Step 4: Simplify right side
   78,593.92x = 4,640,356,561.57
5. Step 5: Solve for x
   x = 4,640,356,561.57/78,593.92
6. Step 6: Final answer
   x = 59,042.19