Finding the Fourth Proportional to 78,870.06, 108,840.93 and 50,575.86

Step by Step Solution

1. Step 1: Write the proportion equation
   78,870.06 : 108,840.93 = 50,575.86 : x
2. Step 2: Convert to fraction form
   78,870.06/108,840.93 = 50,575.86/x
3. Step 3: Cross multiply
   78,870.06x = 108,840.93 × 50,575.86
4. Step 4: Simplify right side
   78,870.06x = 5,504,723,637.95
5. Step 5: Solve for x
   x = 5,504,723,637.95/78,870.06
6. Step 6: Final answer
   x = 69,794.85