Finding the Fourth Proportional to 88,684.89, 122,405.61 and 58,475.53

Step by Step Solution

1. Step 1: Write the proportion equation
   88,684.89 : 122,405.61 = 58,475.53 : x
2. Step 2: Convert to fraction form
   88,684.89/122,405.61 = 58,475.53/x
3. Step 3: Cross multiply
   88,684.89x = 122,405.61 × 58,475.53
4. Step 4: Simplify right side
   88,684.89x = 7,157,732,919.72
5. Step 5: Solve for x
   x = 7,157,732,919.72/88,684.89
6. Step 6: Final answer
   x = 80,709.72