Finding the Fourth Proportional to 78,593.74, 108,460.28 and 42,784.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,593.74 : 108,460.28 = 42,784.38 : x
2. Step 2: Convert to fraction form
   78,593.74/108,460.28 = 42,784.38/x
3. Step 3: Cross multiply
   78,593.74x = 108,460.28 × 42,784.38
4. Step 4: Simplify right side
   78,593.74x = 4,640,405,834.43
5. Step 5: Solve for x
   x = 4,640,405,834.43/78,593.74
6. Step 6: Final answer
   x = 59,042.94