Finding the Fourth Proportional to 42,339.63, 63,509.47 and 10,752.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,339.63 : 63,509.47 = 10,752.06 : x
2. Step 2: Convert to fraction form
   42,339.63/63,509.47 = 10,752.06/x
3. Step 3: Cross multiply
   42,339.63x = 63,509.47 × 10,752.06
4. Step 4: Simplify right side
   42,339.63x = 682,857,314.46
5. Step 5: Solve for x
   x = 682,857,314.46/42,339.63
6. Step 6: Final answer
   x = 16,128.09