Finding the Fourth Proportional to 34,153.57, 51,228.50 and 13,103.71

Step by Step Solution

1. Step 1: Write the proportion equation
   34,153.57 : 51,228.50 = 13,103.71 : x
2. Step 2: Convert to fraction form
   34,153.57/51,228.50 = 13,103.71/x
3. Step 3: Cross multiply
   34,153.57x = 51,228.50 × 13,103.71
4. Step 4: Simplify right side
   34,153.57x = 671,283,342.22
5. Step 5: Solve for x
   x = 671,283,342.22/34,153.57
6. Step 6: Final answer
   x = 19,654.85