Finding the Fourth Proportional to 194,641.60, 291,959.52 and 105,874.24

Step by Step Solution

1. Step 1: Write the proportion equation
   194,641.60 : 291,959.52 = 105,874.24 : x
2. Step 2: Convert to fraction form
   194,641.60/291,959.52 = 105,874.24/x
3. Step 3: Cross multiply
   194,641.60x = 291,959.52 × 105,874.24
4. Step 4: Simplify right side
   194,641.60x = 30,910,992,290.76
5. Step 5: Solve for x
   x = 30,910,992,290.76/194,641.60
6. Step 6: Final answer
   x = 158,809.79