Finding the Fourth Proportional to 9,816.51, 14,714.20 and 7,141.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,816.51 : 14,714.20 = 7,141.69 : x
2. Step 2: Convert to fraction form
   9,816.51/14,714.20 = 7,141.69/x
3. Step 3: Cross multiply
   9,816.51x = 14,714.20 × 7,141.69
4. Step 4: Simplify right side
   9,816.51x = 105,084,255.00
5. Step 5: Solve for x
   x = 105,084,255.00/9,816.51
6. Step 6: Final answer
   x = 10,704.85