Finding the Fourth Proportional to 78,817.78, 108,752.60 and 50,148.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,817.78 : 108,752.60 = 50,148.82 : x
2. Step 2: Convert to fraction form
   78,817.78/108,752.60 = 50,148.82/x
3. Step 3: Cross multiply
   78,817.78x = 108,752.60 × 50,148.82
4. Step 4: Simplify right side
   78,817.78x = 5,453,814,561.93
5. Step 5: Solve for x
   x = 5,453,814,561.93/78,817.78
6. Step 6: Final answer
   x = 69,195.23