Finding the Fourth Proportional to 40,590, 60,898.86 and 21,871.98

Step by Step Solution

1. Step 1: Write the proportion equation
   40,590 : 60,898.86 = 21,871.98 : x
2. Step 2: Convert to fraction form
   40,590/60,898.86 = 21,871.98/x
3. Step 3: Cross multiply
   40,590x = 60,898.86 × 21,871.98
4. Step 4: Simplify right side
   40,590x = 1,331,978,647.94
5. Step 5: Solve for x
   x = 1,331,978,647.94/40,590
6. Step 6: Final answer
   x = 32,815.44