Finding the Fourth Proportional to 89,667.47, 123,736.37 and 51,425.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,667.47 : 123,736.37 = 51,425.05 : x
2. Step 2: Convert to fraction form
   89,667.47/123,736.37 = 51,425.05/x
3. Step 3: Cross multiply
   89,667.47x = 123,736.37 × 51,425.05
4. Step 4: Simplify right side
   89,667.47x = 6,363,148,395.39
5. Step 5: Solve for x
   x = 6,363,148,395.39/89,667.47
6. Step 6: Final answer
   x = 70,963.84