Finding the Fourth Proportional to 312,876.94, 469,034.60 and 113,150.38

Step by Step Solution

1. Step 1: Write the proportion equation
   312,876.94 : 469,034.60 = 113,150.38 : x
2. Step 2: Convert to fraction form
   312,876.94/469,034.60 = 113,150.38/x
3. Step 3: Cross multiply
   312,876.94x = 469,034.60 × 113,150.38
4. Step 4: Simplify right side
   312,876.94x = 53,071,443,223.15
5. Step 5: Solve for x
   x = 53,071,443,223.15/312,876.94
6. Step 6: Final answer
   x = 169,624.02