Finding the Fourth Proportional to 42,100.44, 58,073.40 and 30,756.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,100.44 : 58,073.40 = 30,756.08 : x
2. Step 2: Convert to fraction form
   42,100.44/58,073.40 = 30,756.08/x
3. Step 3: Cross multiply
   42,100.44x = 58,073.40 × 30,756.08
4. Step 4: Simplify right side
   42,100.44x = 1,786,109,845.91
5. Step 5: Solve for x
   x = 1,786,109,845.91/42,100.44
6. Step 6: Final answer
   x = 42,424.97