Finding the Fourth Proportional to 64,537.37, 89,025.71 and 59,970.69

Step by Step Solution

1. Step 1: Write the proportion equation
   64,537.37 : 89,025.71 = 59,970.69 : x
2. Step 2: Convert to fraction form
   64,537.37/89,025.71 = 59,970.69/x
3. Step 3: Cross multiply
   64,537.37x = 89,025.71 × 59,970.69
4. Step 4: Simplify right side
   64,537.37x = 5,338,932,956.59
5. Step 5: Solve for x
   x = 5,338,932,956.59/64,537.37
6. Step 6: Final answer
   x = 82,726.23