Finding the Fourth Proportional to 34,139.52, 51,174.04 and 13,074.60

Step by Step Solution

1. Step 1: Write the proportion equation
   34,139.52 : 51,174.04 = 13,074.60 : x
2. Step 2: Convert to fraction form
   34,139.52/51,174.04 = 13,074.60/x
3. Step 3: Cross multiply
   34,139.52x = 51,174.04 × 13,074.60
4. Step 4: Simplify right side
   34,139.52x = 669,080,103.38
5. Step 5: Solve for x
   x = 669,080,103.38/34,139.52
6. Step 6: Final answer
   x = 19,598.40