Finding the Fourth Proportional to 88,667.83, 122,361.54 and 56,836.72

Step by Step Solution

1. Step 1: Write the proportion equation
   88,667.83 : 122,361.54 = 56,836.72 : x
2. Step 2: Convert to fraction form
   88,667.83/122,361.54 = 56,836.72/x
3. Step 3: Cross multiply
   88,667.83x = 122,361.54 × 56,836.72
4. Step 4: Simplify right side
   88,667.83x = 6,954,628,587.75
5. Step 5: Solve for x
   x = 6,954,628,587.75/88,667.83
6. Step 6: Final answer
   x = 78,434.63