Finding the Fourth Proportional to 147,309.69, 203,288.76 and 83,648.82

Step by Step Solution

1. Step 1: Write the proportion equation
   147,309.69 : 203,288.76 = 83,648.82 : x
2. Step 2: Convert to fraction form
   147,309.69/203,288.76 = 83,648.82/x
3. Step 3: Cross multiply
   147,309.69x = 203,288.76 × 83,648.82
4. Step 4: Simplify right side
   147,309.69x = 17,004,864,893.26
5. Step 5: Solve for x
   x = 17,004,864,893.26/147,309.69
6. Step 6: Final answer
   x = 115,436.16