Finding the Fourth Proportional to 78,377.59, 108,164.82 and 48,164.17

Step by Step Solution

1. Step 1: Write the proportion equation
   78,377.59 : 108,164.82 = 48,164.17 : x
2. Step 2: Convert to fraction form
   78,377.59/108,164.82 = 48,164.17/x
3. Step 3: Cross multiply
   78,377.59x = 108,164.82 × 48,164.17
4. Step 4: Simplify right side
   78,377.59x = 5,209,668,778.50
5. Step 5: Solve for x
   x = 5,209,668,778.50/78,377.59
6. Step 6: Final answer
   x = 66,468.86