Finding the Fourth Proportional to 64,980.51, 89,663.00 and 36,685.59

Step by Step Solution

1. Step 1: Write the proportion equation
   64,980.51 : 89,663.00 = 36,685.59 : x
2. Step 2: Convert to fraction form
   64,980.51/89,663.00 = 36,685.59/x
3. Step 3: Cross multiply
   64,980.51x = 89,663.00 × 36,685.59
4. Step 4: Simplify right side
   64,980.51x = 3,289,339,872.74
5. Step 5: Solve for x
   x = 3,289,339,872.74/64,980.51
6. Step 6: Final answer
   x = 50,620.41