Finding the Fourth Proportional to 42,507.32, 63,761.99 and 20,323.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,507.32 : 63,761.99 = 20,323.04 : x
2. Step 2: Convert to fraction form
   42,507.32/63,761.99 = 20,323.04/x
3. Step 3: Cross multiply
   42,507.32x = 63,761.99 × 20,323.04
4. Step 4: Simplify right side
   42,507.32x = 1,295,837,052.82
5. Step 5: Solve for x
   x = 1,295,837,052.82/42,507.32
6. Step 6: Final answer
   x = 30,485.04