Finding the Fourth Proportional to 119,315.63, 164,658.83 and 64,871.48

Step by Step Solution

1. Step 1: Write the proportion equation
   119,315.63 : 164,658.83 = 64,871.48 : x
2. Step 2: Convert to fraction form
   119,315.63/164,658.83 = 64,871.48/x
3. Step 3: Cross multiply
   119,315.63x = 164,658.83 × 64,871.48
4. Step 4: Simplify right side
   119,315.63x = 10,681,662,084.46
5. Step 5: Solve for x
   x = 10,681,662,084.46/119,315.63
6. Step 6: Final answer
   x = 89,524.41