Finding the Fourth Proportional to 78,316.34, 108,076.63 and 42,506.37

Step by Step Solution

1. Step 1: Write the proportion equation
   78,316.34 : 108,076.63 = 42,506.37 : x
2. Step 2: Convert to fraction form
   78,316.34/108,076.63 = 42,506.37/x
3. Step 3: Cross multiply
   78,316.34x = 108,076.63 × 42,506.37
4. Step 4: Simplify right side
   78,316.34x = 4,593,945,196.57
5. Step 5: Solve for x
   x = 4,593,945,196.57/78,316.34
6. Step 6: Final answer
   x = 58,658.84