Finding the Fourth Proportional to 64,726.82, 89,276.98 and 43,205.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,726.82 : 89,276.98 = 43,205.72 : x
2. Step 2: Convert to fraction form
   64,726.82/89,276.98 = 43,205.72/x
3. Step 3: Cross multiply
   64,726.82x = 89,276.98 × 43,205.72
4. Step 4: Simplify right side
   64,726.82x = 3,857,276,200.33
5. Step 5: Solve for x
   x = 3,857,276,200.33/64,726.82
6. Step 6: Final answer
   x = 59,593.17