Finding the Fourth Proportional to 113,304.89, 156,348.48 and 65,549.31

Step by Step Solution

1. Step 1: Write the proportion equation
   113,304.89 : 156,348.48 = 65,549.31 : x
2. Step 2: Convert to fraction form
   113,304.89/156,348.48 = 65,549.31/x
3. Step 3: Cross multiply
   113,304.89x = 156,348.48 × 65,549.31
4. Step 4: Simplify right side
   113,304.89x = 10,248,534,983.55
5. Step 5: Solve for x
   x = 10,248,534,983.55/113,304.89
6. Step 6: Final answer
   x = 90,450.95