Finding the Fourth Proportional to 105,580.32, 158,150.13 and 63,326.40

Step by Step Solution

1. Step 1: Write the proportion equation
   105,580.32 : 158,150.13 = 63,326.40 : x
2. Step 2: Convert to fraction form
   105,580.32/158,150.13 = 63,326.40/x
3. Step 3: Cross multiply
   105,580.32x = 158,150.13 × 63,326.40
4. Step 4: Simplify right side
   105,580.32x = 10,015,078,392.43
5. Step 5: Solve for x
   x = 10,015,078,392.43/105,580.32
6. Step 6: Final answer
   x = 94,857.44