Finding the Fourth Proportional to 119,105.10, 178,653.38 and 30,357.86

Step by Step Solution

1. Step 1: Write the proportion equation
   119,105.10 : 178,653.38 = 30,357.86 : x
2. Step 2: Convert to fraction form
   119,105.10/178,653.38 = 30,357.86/x
3. Step 3: Cross multiply
   119,105.10x = 178,653.38 × 30,357.86
4. Step 4: Simplify right side
   119,105.10x = 5,423,533,253.51
5. Step 5: Solve for x
   x = 5,423,533,253.51/119,105.10
6. Step 6: Final answer
   x = 45,535.69