Finding the Fourth Proportional to 119,362.82, 164,721.80 and 64,915.49

Step by Step Solution

1. Step 1: Write the proportion equation
   119,362.82 : 164,721.80 = 64,915.49 : x
2. Step 2: Convert to fraction form
   119,362.82/164,721.80 = 64,915.49/x
3. Step 3: Cross multiply
   119,362.82x = 164,721.80 × 64,915.49
4. Step 4: Simplify right side
   119,362.82x = 10,692,996,934.78
5. Step 5: Solve for x
   x = 10,692,996,934.78/119,362.82
6. Step 6: Final answer
   x = 89,583.99