Finding the Fourth Proportional to 91,055.68, 136,578.24 and 34,118.72

Step by Step Solution

1. Step 1: Write the proportion equation
   91,055.68 : 136,578.24 = 34,118.72 : x
2. Step 2: Convert to fraction form
   91,055.68/136,578.24 = 34,118.72/x
3. Step 3: Cross multiply
   91,055.68x = 136,578.24 × 34,118.72
4. Step 4: Simplify right side
   91,055.68x = 4,659,874,728.65
5. Step 5: Solve for x
   x = 4,659,874,728.65/91,055.68
6. Step 6: Final answer
   x = 51,176.10