Finding the Fourth Proportional to 104,515.88, 156,721.98 and 34,385

Step by Step Solution

1. Step 1: Write the proportion equation
   104,515.88 : 156,721.98 = 34,385 : x
2. Step 2: Convert to fraction form
   104,515.88/156,721.98 = 34,385/x
3. Step 3: Cross multiply
   104,515.88x = 156,721.98 × 34,385
4. Step 4: Simplify right side
   104,515.88x = 5,388,885,282.30
5. Step 5: Solve for x
   x = 5,388,885,282.30/104,515.88
6. Step 6: Final answer
   x = 51,560.44