Finding the Fourth Proportional to 9,817.34, 14,654.76 and 9,085.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,817.34 : 14,654.76 = 9,085.53 : x
2. Step 2: Convert to fraction form
   9,817.34/14,654.76 = 9,085.53/x
3. Step 3: Cross multiply
   9,817.34x = 14,654.76 × 9,085.53
4. Step 4: Simplify right side
   9,817.34x = 133,146,282.51
5. Step 5: Solve for x
   x = 133,146,282.51/9,817.34
6. Step 6: Final answer
   x = 13,562.37