Finding the Fourth Proportional to 89,084.76, 122,931.72 and 48,790.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,084.76 : 122,931.72 = 48,790.50 : x
2. Step 2: Convert to fraction form
   89,084.76/122,931.72 = 48,790.50/x
3. Step 3: Cross multiply
   89,084.76x = 122,931.72 × 48,790.50
4. Step 4: Simplify right side
   89,084.76x = 5,997,900,084.66
5. Step 5: Solve for x
   x = 5,997,900,084.66/89,084.76
6. Step 6: Final answer
   x = 67,328.02