Finding the Fourth Proportional to 47,435.52, 65,491.56 and 30,447.12

Step by Step Solution

1. Step 1: Write the proportion equation
   47,435.52 : 65,491.56 = 30,447.12 : x
2. Step 2: Convert to fraction form
   47,435.52/65,491.56 = 30,447.12/x
3. Step 3: Cross multiply
   47,435.52x = 65,491.56 × 30,447.12
4. Step 4: Simplify right side
   47,435.52x = 1,994,029,386.31
5. Step 5: Solve for x
   x = 1,994,029,386.31/47,435.52
6. Step 6: Final answer
   x = 42,036.63