Finding the Fourth Proportional to 52,895.48, 79,342.37 and 21,304.79

Step by Step Solution

1. Step 1: Write the proportion equation
   52,895.48 : 79,342.37 = 21,304.79 : x
2. Step 2: Convert to fraction form
   52,895.48/79,342.37 = 21,304.79/x
3. Step 3: Cross multiply
   52,895.48x = 79,342.37 × 21,304.79
4. Step 4: Simplify right side
   52,895.48x = 1,690,372,027.72
5. Step 5: Solve for x
   x = 1,690,372,027.72/52,895.48
6. Step 6: Final answer
   x = 31,956.84