Finding the Fourth Proportional to 194,024.88, 290,435.82 and 105,057.72

Step by Step Solution

1. Step 1: Write the proportion equation
   194,024.88 : 290,435.82 = 105,057.72 : x
2. Step 2: Convert to fraction form
   194,024.88/290,435.82 = 105,057.72/x
3. Step 3: Cross multiply
   194,024.88x = 290,435.82 × 105,057.72
4. Step 4: Simplify right side
   194,024.88x = 30,512,525,055.53
5. Step 5: Solve for x
   x = 30,512,525,055.53/194,024.88
6. Step 6: Final answer
   x = 157,260.89