Finding the Fourth Proportional to 42,752.37, 64,141.52 and 30,296.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,752.37 : 64,141.52 = 30,296.49 : x
2. Step 2: Convert to fraction form
   42,752.37/64,141.52 = 30,296.49/x
3. Step 3: Cross multiply
   42,752.37x = 64,141.52 × 30,296.49
4. Step 4: Simplify right side
   42,752.37x = 1,943,262,767.78
5. Step 5: Solve for x
   x = 1,943,262,767.78/42,752.37
6. Step 6: Final answer
   x = 45,453.92