Finding the Fourth Proportional to 104,638.52, 156,918.90 and 34,499

Step by Step Solution

1. Step 1: Write the proportion equation
   104,638.52 : 156,918.90 = 34,499 : x
2. Step 2: Convert to fraction form
   104,638.52/156,918.90 = 34,499/x
3. Step 3: Cross multiply
   104,638.52x = 156,918.90 × 34,499
4. Step 4: Simplify right side
   104,638.52x = 5,413,545,131.10
5. Step 5: Solve for x
   x = 5,413,545,131.10/104,638.52
6. Step 6: Final answer
   x = 51,735.68