Finding the Fourth Proportional to 65,156.50, 97,740.24 and 20,789.56

Step by Step Solution

1. Step 1: Write the proportion equation
   65,156.50 : 97,740.24 = 20,789.56 : x
2. Step 2: Convert to fraction form
   65,156.50/97,740.24 = 20,789.56/x
3. Step 3: Cross multiply
   65,156.50x = 97,740.24 × 20,789.56
4. Step 4: Simplify right side
   65,156.50x = 2,031,976,583.89
5. Step 5: Solve for x
   x = 2,031,976,583.89/65,156.50
6. Step 6: Final answer
   x = 31,186.09