Finding the Fourth Proportional to 34,456.02, 51,672.72 and 13,394.58

Step by Step Solution

1. Step 1: Write the proportion equation
   34,456.02 : 51,672.72 = 13,394.58 : x
2. Step 2: Convert to fraction form
   34,456.02/51,672.72 = 13,394.58/x
3. Step 3: Cross multiply
   34,456.02x = 51,672.72 × 13,394.58
4. Step 4: Simplify right side
   34,456.02x = 692,134,381.86
5. Step 5: Solve for x
   x = 692,134,381.86/34,456.02
6. Step 6: Final answer
   x = 20,087.47