Finding the Fourth Proportional to 11,654.55, 16,089.24 and 7,897.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,654.55 : 16,089.24 = 7,897.57 : x
2. Step 2: Convert to fraction form
   11,654.55/16,089.24 = 7,897.57/x
3. Step 3: Cross multiply
   11,654.55x = 16,089.24 × 7,897.57
4. Step 4: Simplify right side
   11,654.55x = 127,065,899.15
5. Step 5: Solve for x
   x = 127,065,899.15/11,654.55
6. Step 6: Final answer
   x = 10,902.69