Finding the Fourth Proportional to 89,208.56, 123,109.20 and 48,926

Step by Step Solution

1. Step 1: Write the proportion equation
   89,208.56 : 123,109.20 = 48,926 : x
2. Step 2: Convert to fraction form
   89,208.56/123,109.20 = 48,926/x
3. Step 3: Cross multiply
   89,208.56x = 123,109.20 × 48,926
4. Step 4: Simplify right side
   89,208.56x = 6,023,240,719.20
5. Step 5: Solve for x
   x = 6,023,240,719.20/89,208.56
6. Step 6: Final answer
   x = 67,518.64