Finding the Fourth Proportional to 109,714.91, 164,547.72 and 65,354.31

Step by Step Solution

1. Step 1: Write the proportion equation
   109,714.91 : 164,547.72 = 65,354.31 : x
2. Step 2: Convert to fraction form
   109,714.91/164,547.72 = 65,354.31/x
3. Step 3: Cross multiply
   109,714.91x = 164,547.72 × 65,354.31
4. Step 4: Simplify right side
   109,714.91x = 10,753,902,702.67
5. Step 5: Solve for x
   x = 10,753,902,702.67/109,714.91
6. Step 6: Final answer
   x = 98,016.79