Finding the Fourth Proportional to 147,307.69, 203,286 and 83,646.82

Step by Step Solution

1. Step 1: Write the proportion equation
   147,307.69 : 203,286 = 83,646.82 : x
2. Step 2: Convert to fraction form
   147,307.69/203,286 = 83,646.82/x
3. Step 3: Cross multiply
   147,307.69x = 203,286 × 83,646.82
4. Step 4: Simplify right side
   147,307.69x = 17,004,227,450.52
5. Step 5: Solve for x
   x = 17,004,227,450.52/147,307.69
6. Step 6: Final answer
   x = 115,433.40