Finding the Fourth Proportional to 89,776.71, 123,892.19 and 48,940.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89,776.71 : 123,892.19 = 48,940.62 : x
2. Step 2: Convert to fraction form
   89,776.71/123,892.19 = 48,940.62/x
3. Step 3: Cross multiply
   89,776.71x = 123,892.19 × 48,940.62
4. Step 4: Simplify right side
   89,776.71x = 6,063,360,347.05
5. Step 5: Solve for x
   x = 6,063,360,347.05/89,776.71
6. Step 6: Final answer
   x = 67,538.23