Finding the Fourth Proportional to 89,002.53, 122,818.74 and 48,708.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,002.53 : 122,818.74 = 48,708.50 : x
2. Step 2: Convert to fraction form
   89,002.53/122,818.74 = 48,708.50/x
3. Step 3: Cross multiply
   89,002.53x = 122,818.74 × 48,708.50
4. Step 4: Simplify right side
   89,002.53x = 5,982,316,597.29
5. Step 5: Solve for x
   x = 5,982,316,597.29/89,002.53
6. Step 6: Final answer
   x = 67,215.13