Finding the Fourth Proportional to 61,031.89, 91,548.14 and 21,589.04

Step by Step Solution

1. Step 1: Write the proportion equation
   61,031.89 : 91,548.14 = 21,589.04 : x
2. Step 2: Convert to fraction form
   61,031.89/91,548.14 = 21,589.04/x
3. Step 3: Cross multiply
   61,031.89x = 91,548.14 × 21,589.04
4. Step 4: Simplify right side
   61,031.89x = 1,976,436,456.39
5. Step 5: Solve for x
   x = 1,976,436,456.39/61,031.89
6. Step 6: Final answer
   x = 32,383.67