Finding the Fourth Proportional to 194,568.62, 291,578.59 and 91,876.38

Step by Step Solution

1. Step 1: Write the proportion equation
   194,568.62 : 291,578.59 = 91,876.38 : x
2. Step 2: Convert to fraction form
   194,568.62/291,578.59 = 91,876.38/x
3. Step 3: Cross multiply
   194,568.62x = 291,578.59 × 91,876.38
4. Step 4: Simplify right side
   194,568.62x = 26,789,183,839.33
5. Step 5: Solve for x
   x = 26,789,183,839.33/194,568.62
6. Step 6: Final answer
   x = 137,685.02