Finding the Fourth Proportional to 35,561.46, 49,037.99 and 30,542.28

Step by Step Solution

1. Step 1: Write the proportion equation
   35,561.46 : 49,037.99 = 30,542.28 : x
2. Step 2: Convert to fraction form
   35,561.46/49,037.99 = 30,542.28/x
3. Step 3: Cross multiply
   35,561.46x = 49,037.99 × 30,542.28
4. Step 4: Simplify right side
   35,561.46x = 1,497,731,868.51
5. Step 5: Solve for x
   x = 1,497,731,868.51/35,561.46
6. Step 6: Final answer
   x = 42,116.71