Finding the Fourth Proportional to 40,175.82, 55,428.84 and 23,179.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,175.82 : 55,428.84 = 23,179.50 : x
2. Step 2: Convert to fraction form
   40,175.82/55,428.84 = 23,179.50/x
3. Step 3: Cross multiply
   40,175.82x = 55,428.84 × 23,179.50
4. Step 4: Simplify right side
   40,175.82x = 1,284,812,796.78
5. Step 5: Solve for x
   x = 1,284,812,796.78/40,175.82
6. Step 6: Final answer
   x = 31,979.75