Finding the Fourth Proportional to 78,103.38, 107,782.71 and 42,293.37

Step by Step Solution

1. Step 1: Write the proportion equation
   78,103.38 : 107,782.71 = 42,293.37 : x
2. Step 2: Convert to fraction form
   78,103.38/107,782.71 = 42,293.37/x
3. Step 3: Cross multiply
   78,103.38x = 107,782.71 × 42,293.37
4. Step 4: Simplify right side
   78,103.38x = 4,558,494,033.63
5. Step 5: Solve for x
   x = 4,558,494,033.63/78,103.38
6. Step 6: Final answer
   x = 58,364.88