Finding the Fourth Proportional to 89,215.34, 123,118.75 and 48,928.75

Step by Step Solution

1. Step 1: Write the proportion equation
   89,215.34 : 123,118.75 = 48,928.75 : x
2. Step 2: Convert to fraction form
   89,215.34/123,118.75 = 48,928.75/x
3. Step 3: Cross multiply
   89,215.34x = 123,118.75 × 48,928.75
4. Step 4: Simplify right side
   89,215.34x = 6,024,046,294.42
5. Step 5: Solve for x
   x = 6,024,046,294.42/89,215.34
6. Step 6: Final answer
   x = 67,522.54