Finding the Fourth Proportional to 78,698.48, 118,068.78 and 34,328.84

Step by Step Solution

1. Step 1: Write the proportion equation
   78,698.48 : 118,068.78 = 34,328.84 : x
2. Step 2: Convert to fraction form
   78,698.48/118,068.78 = 34,328.84/x
3. Step 3: Cross multiply
   78,698.48x = 118,068.78 × 34,328.84
4. Step 4: Simplify right side
   78,698.48x = 4,053,164,257.62
5. Step 5: Solve for x
   x = 4,053,164,257.62/78,698.48
6. Step 6: Final answer
   x = 51,502.45