Finding the Fourth Proportional to 89,435.59, 123,415.14 and 49,148.48

Step by Step Solution

1. Step 1: Write the proportion equation
   89,435.59 : 123,415.14 = 49,148.48 : x
2. Step 2: Convert to fraction form
   89,435.59/123,415.14 = 49,148.48/x
3. Step 3: Cross multiply
   89,435.59x = 123,415.14 × 49,148.48
4. Step 4: Simplify right side
   89,435.59x = 6,065,667,032.83
5. Step 5: Solve for x
   x = 6,065,667,032.83/89,435.59
6. Step 6: Final answer
   x = 67,821.63