Finding the Fourth Proportional to 109,665.20, 164,279.10 and 62,863.40

Step by Step Solution

1. Step 1: Write the proportion equation
   109,665.20 : 164,279.10 = 62,863.40 : x
2. Step 2: Convert to fraction form
   109,665.20/164,279.10 = 62,863.40/x
3. Step 3: Cross multiply
   109,665.20x = 164,279.10 × 62,863.40
4. Step 4: Simplify right side
   109,665.20x = 10,327,142,774.94
5. Step 5: Solve for x
   x = 10,327,142,774.94/109,665.20
6. Step 6: Final answer
   x = 94,169.73