Finding the Fourth Proportional to 35,818.72, 49,429.56 and 19,902.88

Step by Step Solution

1. Step 1: Write the proportion equation
   35,818.72 : 49,429.56 = 19,902.88 : x
2. Step 2: Convert to fraction form
   35,818.72/49,429.56 = 19,902.88/x
3. Step 3: Cross multiply
   35,818.72x = 49,429.56 × 19,902.88
4. Step 4: Simplify right side
   35,818.72x = 983,790,601.13
5. Step 5: Solve for x
   x = 983,790,601.13/35,818.72
6. Step 6: Final answer
   x = 27,465.82