Finding the Fourth Proportional to 89,003.53, 122,820.12 and 48,709.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,003.53 : 122,820.12 = 48,709.50 : x
2. Step 2: Convert to fraction form
   89,003.53/122,820.12 = 48,709.50/x
3. Step 3: Cross multiply
   89,003.53x = 122,820.12 × 48,709.50
4. Step 4: Simplify right side
   89,003.53x = 5,982,506,635.14
5. Step 5: Solve for x
   x = 5,982,506,635.14/89,003.53
6. Step 6: Final answer
   x = 67,216.51