Finding the Fourth Proportional to 89,194.56, 123,089.88 and 48,912

Step by Step Solution

1. Step 1: Write the proportion equation
   89,194.56 : 123,089.88 = 48,912 : x
2. Step 2: Convert to fraction form
   89,194.56/123,089.88 = 48,912/x
3. Step 3: Cross multiply
   89,194.56x = 123,089.88 × 48,912
4. Step 4: Simplify right side
   89,194.56x = 6,020,572,210.56
5. Step 5: Solve for x
   x = 6,020,572,210.56/89,194.56
6. Step 6: Final answer
   x = 67,499.32