Finding the Fourth Proportional to 64,726.74, 89,323.53 and 36,426.96

Step by Step Solution

1. Step 1: Write the proportion equation
   64,726.74 : 89,323.53 = 36,426.96 : x
2. Step 2: Convert to fraction form
   64,726.74/89,323.53 = 36,426.96/x
3. Step 3: Cross multiply
   64,726.74x = 89,323.53 × 36,426.96
4. Step 4: Simplify right side
   64,726.74x = 3,253,784,654.37
5. Step 5: Solve for x
   x = 3,253,784,654.37/64,726.74
6. Step 6: Final answer
   x = 50,269.56