Finding the Fourth Proportional to 42,101.94, 58,075.47 and 30,757.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,101.94 : 58,075.47 = 30,757.58 : x
2. Step 2: Convert to fraction form
   42,101.94/58,075.47 = 30,757.58/x
3. Step 3: Cross multiply
   42,101.94x = 58,075.47 × 30,757.58
4. Step 4: Simplify right side
   42,101.94x = 1,786,260,624.19
5. Step 5: Solve for x
   x = 1,786,260,624.19/42,101.94
6. Step 6: Final answer
   x = 42,427.04