Finding the Fourth Proportional to 89,191.58, 123,085.55 and 48,905.24

Step by Step Solution

1. Step 1: Write the proportion equation
   89,191.58 : 123,085.55 = 48,905.24 : x
2. Step 2: Convert to fraction form
   89,191.58/123,085.55 = 48,905.24/x
3. Step 3: Cross multiply
   89,191.58x = 123,085.55 × 48,905.24
4. Step 4: Simplify right side
   89,191.58x = 6,019,527,870.12
5. Step 5: Solve for x
   x = 6,019,527,870.12/89,191.58
6. Step 6: Final answer
   x = 67,489.87