Finding the Fourth Proportional to 77,995.16, 107,633.00 and 42,185.09

Step by Step Solution

1. Step 1: Write the proportion equation
   77,995.16 : 107,633.00 = 42,185.09 : x
2. Step 2: Convert to fraction form
   77,995.16/107,633.00 = 42,185.09/x
3. Step 3: Cross multiply
   77,995.16x = 107,633.00 × 42,185.09
4. Step 4: Simplify right side
   77,995.16x = 4,540,507,042.88
5. Step 5: Solve for x
   x = 4,540,507,042.88/77,995.16
6. Step 6: Final answer
   x = 58,215.24