Finding the Fourth Proportional to 379,409.89, 569,189.56 and 113,164.51

Step by Step Solution

1. Step 1: Write the proportion equation
   379,409.89 : 569,189.56 = 113,164.51 : x
2. Step 2: Convert to fraction form
   379,409.89/569,189.56 = 113,164.51/x
3. Step 3: Cross multiply
   379,409.89x = 569,189.56 × 113,164.51
4. Step 4: Simplify right side
   379,409.89x = 64,412,057,654.52
5. Step 5: Solve for x
   x = 64,412,057,654.52/379,409.89
6. Step 6: Final answer
   x = 169,769.05