Finding the Fourth Proportional to 57,471, 86,123.04 and 40,864.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,471 : 86,123.04 = 40,864.38 : x
2. Step 2: Convert to fraction form
   57,471/86,123.04 = 40,864.38/x
3. Step 3: Cross multiply
   57,471x = 86,123.04 × 40,864.38
4. Step 4: Simplify right side
   57,471x = 3,519,364,633.32
5. Step 5: Solve for x
   x = 3,519,364,633.32/57,471
6. Step 6: Final answer
   x = 61,237.23