Finding the Fourth Proportional to 89,318.52, 123,261.12 and 49,036.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,318.52 : 123,261.12 = 49,036.05 : x
2. Step 2: Convert to fraction form
   89,318.52/123,261.12 = 49,036.05/x
3. Step 3: Cross multiply
   89,318.52x = 123,261.12 × 49,036.05
4. Step 4: Simplify right side
   89,318.52x = 6,044,238,443.38
5. Step 5: Solve for x
   x = 6,044,238,443.38/89,318.52
6. Step 6: Final answer
   x = 67,670.61