Finding the Fourth Proportional to 89,574.60, 123,598.83 and 51,326.79

Step by Step Solution

1. Step 1: Write the proportion equation
   89,574.60 : 123,598.83 = 51,326.79 : x
2. Step 2: Convert to fraction form
   89,574.60/123,598.83 = 51,326.79/x
3. Step 3: Cross multiply
   89,574.60x = 123,598.83 × 51,326.79
4. Step 4: Simplify right side
   89,574.60x = 6,343,930,979.54
5. Step 5: Solve for x
   x = 6,343,930,979.54/89,574.60
6. Step 6: Final answer
   x = 70,822.88