Finding the Fourth Proportional to 42,667.64, 63,909.02 and 30,955

Step by Step Solution

1. Step 1: Write the proportion equation
   42,667.64 : 63,909.02 = 30,955 : x
2. Step 2: Convert to fraction form
   42,667.64/63,909.02 = 30,955/x
3. Step 3: Cross multiply
   42,667.64x = 63,909.02 × 30,955
4. Step 4: Simplify right side
   42,667.64x = 1,978,303,714.10
5. Step 5: Solve for x
   x = 1,978,303,714.10/42,667.64
6. Step 6: Final answer
   x = 46,365.44