Finding the Fourth Proportional to 78,743.58, 118,031.81 and 38,706.10

Step by Step Solution

1. Step 1: Write the proportion equation
   78,743.58 : 118,031.81 = 38,706.10 : x
2. Step 2: Convert to fraction form
   78,743.58/118,031.81 = 38,706.10/x
3. Step 3: Cross multiply
   78,743.58x = 118,031.81 × 38,706.10
4. Step 4: Simplify right side
   78,743.58x = 4,568,550,257.35
5. Step 5: Solve for x
   x = 4,568,550,257.35/78,743.58
6. Step 6: Final answer
   x = 58,018.07