Finding the Fourth Proportional to 78,316.14, 108,076.37 and 42,506.16

Step by Step Solution

1. Step 1: Write the proportion equation
   78,316.14 : 108,076.37 = 42,506.16 : x
2. Step 2: Convert to fraction form
   78,316.14/108,076.37 = 42,506.16/x
3. Step 3: Cross multiply
   78,316.14x = 108,076.37 × 42,506.16
4. Step 4: Simplify right side
   78,316.14x = 4,593,910,722.53
5. Step 5: Solve for x
   x = 4,593,910,722.53/78,316.14
6. Step 6: Final answer
   x = 58,658.55