Finding the Fourth Proportional to 55,490.82, 76,577.61 and 30,340.32

Step by Step Solution

1. Step 1: Write the proportion equation
   55,490.82 : 76,577.61 = 30,340.32 : x
2. Step 2: Convert to fraction form
   55,490.82/76,577.61 = 30,340.32/x
3. Step 3: Cross multiply
   55,490.82x = 76,577.61 × 30,340.32
4. Step 4: Simplify right side
   55,490.82x = 2,323,389,192.24
5. Step 5: Solve for x
   x = 2,323,389,192.24/55,490.82
6. Step 6: Final answer
   x = 41,869.79