Finding the Fourth Proportional to 50,663.10, 76,022.01 and 21,101.34

Step by Step Solution

1. Step 1: Write the proportion equation
   50,663.10 : 76,022.01 = 21,101.34 : x
2. Step 2: Convert to fraction form
   50,663.10/76,022.01 = 21,101.34/x
3. Step 3: Cross multiply
   50,663.10x = 76,022.01 × 21,101.34
4. Step 4: Simplify right side
   50,663.10x = 1,604,166,280.49
5. Step 5: Solve for x
   x = 1,604,166,280.49/50,663.10
6. Step 6: Final answer
   x = 31,663.41