Finding the Fourth Proportional to 109,429.70, 164,029.35 and 42,844.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,429.70 : 164,029.35 = 42,844.10 : x
2. Step 2: Convert to fraction form
   109,429.70/164,029.35 = 42,844.10/x
3. Step 3: Cross multiply
   109,429.70x = 164,029.35 × 42,844.10
4. Step 4: Simplify right side
   109,429.70x = 7,027,689,874.34
5. Step 5: Solve for x
   x = 7,027,689,874.34/109,429.70
6. Step 6: Final answer
   x = 64,221.05