Finding the Fourth Proportional to 109,805.01, 164,393.72 and 102,829.89

Step by Step Solution

1. Step 1: Write the proportion equation
   109,805.01 : 164,393.72 = 102,829.89 : x
2. Step 2: Convert to fraction form
   109,805.01/164,393.72 = 102,829.89/x
3. Step 3: Cross multiply
   109,805.01x = 164,393.72 × 102,829.89
4. Step 4: Simplify right side
   109,805.01x = 16,904,588,144.29
5. Step 5: Solve for x
   x = 16,904,588,144.29/109,805.01
6. Step 6: Final answer
   x = 153,950.97