Finding the Fourth Proportional to 42,846.48, 64,296.33 and 20,662.14

Step by Step Solution

1. Step 1: Write the proportion equation
   42,846.48 : 64,296.33 = 20,662.14 : x
2. Step 2: Convert to fraction form
   42,846.48/64,296.33 = 20,662.14/x
3. Step 3: Cross multiply
   42,846.48x = 64,296.33 × 20,662.14
4. Step 4: Simplify right side
   42,846.48x = 1,328,499,771.95
5. Step 5: Solve for x
   x = 1,328,499,771.95/42,846.48
6. Step 6: Final answer
   x = 31,006.04