Finding the Fourth Proportional to 30,695.74, 42,366.17 and 19,953.92

Step by Step Solution

1. Step 1: Write the proportion equation
   30,695.74 : 42,366.17 = 19,953.92 : x
2. Step 2: Convert to fraction form
   30,695.74/42,366.17 = 19,953.92/x
3. Step 3: Cross multiply
   30,695.74x = 42,366.17 × 19,953.92
4. Step 4: Simplify right side
   30,695.74x = 845,371,166.89
5. Step 5: Solve for x
   x = 845,371,166.89/30,695.74
6. Step 6: Final answer
   x = 27,540.34