Finding the Fourth Proportional to 78,684.58, 118,061.76 and 41,235.75

Step by Step Solution

1. Step 1: Write the proportion equation
   78,684.58 : 118,061.76 = 41,235.75 : x
2. Step 2: Convert to fraction form
   78,684.58/118,061.76 = 41,235.75/x
3. Step 3: Cross multiply
   78,684.58x = 118,061.76 × 41,235.75
4. Step 4: Simplify right side
   78,684.58x = 4,868,365,142.60
5. Step 5: Solve for x
   x = 4,868,365,142.60/78,684.58
6. Step 6: Final answer
   x = 61,871.91