Finding the Fourth Proportional to 17,714.72, 26,574.51 and 7,853.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,714.72 : 26,574.51 = 7,853.78 : x
2. Step 2: Convert to fraction form
   17,714.72/26,574.51 = 7,853.78/x
3. Step 3: Cross multiply
   17,714.72x = 26,574.51 × 7,853.78
4. Step 4: Simplify right side
   17,714.72x = 208,710,222.28
5. Step 5: Solve for x
   x = 208,710,222.28/17,714.72
6. Step 6: Final answer
   x = 11,781.74