Finding the Fourth Proportional to 89,455.86, 123,450.04 and 48,619.99

Step by Step Solution

1. Step 1: Write the proportion equation
   89,455.86 : 123,450.04 = 48,619.99 : x
2. Step 2: Convert to fraction form
   89,455.86/123,450.04 = 48,619.99/x
3. Step 3: Cross multiply
   89,455.86x = 123,450.04 × 48,619.99
4. Step 4: Simplify right side
   89,455.86x = 6,002,139,710.30
5. Step 5: Solve for x
   x = 6,002,139,710.30/89,455.86
6. Step 6: Final answer
   x = 67,096.10