Finding the Fourth Proportional to 9,815.52, 14,701.72 and 9,047.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,815.52 : 14,701.72 = 9,047.32 : x
2. Step 2: Convert to fraction form
   9,815.52/14,701.72 = 9,047.32/x
3. Step 3: Cross multiply
   9,815.52x = 14,701.72 × 9,047.32
4. Step 4: Simplify right side
   9,815.52x = 133,011,165.39
5. Step 5: Solve for x
   x = 133,011,165.39/9,815.52
6. Step 6: Final answer
   x = 13,551.11