Finding the Fourth Proportional to 109,522.94, 164,284.42 and 42,994.40

Step by Step Solution

1. Step 1: Write the proportion equation
   109,522.94 : 164,284.42 = 42,994.40 : x
2. Step 2: Convert to fraction form
   109,522.94/164,284.42 = 42,994.40/x
3. Step 3: Cross multiply
   109,522.94x = 164,284.42 × 42,994.40
4. Step 4: Simplify right side
   109,522.94x = 7,063,310,067.25
5. Step 5: Solve for x
   x = 7,063,310,067.25/109,522.94
6. Step 6: Final answer
   x = 64,491.60