Finding the Fourth Proportional to 57,923.73, 86,526.20 and 42,002.37

Step by Step Solution

1. Step 1: Write the proportion equation
   57,923.73 : 86,526.20 = 42,002.37 : x
2. Step 2: Convert to fraction form
   57,923.73/86,526.20 = 42,002.37/x
3. Step 3: Cross multiply
   57,923.73x = 86,526.20 × 42,002.37
4. Step 4: Simplify right side
   57,923.73x = 3,634,305,572.10
5. Step 5: Solve for x
   x = 3,634,305,572.10/57,923.73
6. Step 6: Final answer
   x = 62,742.95