Finding the Fourth Proportional to 88,993.56, 122,757.75 and 58,778.94

Step by Step Solution

1. Step 1: Write the proportion equation
   88,993.56 : 122,757.75 = 58,778.94 : x
2. Step 2: Convert to fraction form
   88,993.56/122,757.75 = 58,778.94/x
3. Step 3: Cross multiply
   88,993.56x = 122,757.75 × 58,778.94
4. Step 4: Simplify right side
   88,993.56x = 7,215,570,421.79
5. Step 5: Solve for x
   x = 7,215,570,421.79/88,993.56
6. Step 6: Final answer
   x = 81,079.69