Finding the Fourth Proportional to 338,419.38, 507,271.86 and 113,566.62

Step by Step Solution

1. Step 1: Write the proportion equation
   338,419.38 : 507,271.86 = 113,566.62 : x
2. Step 2: Convert to fraction form
   338,419.38/507,271.86 = 113,566.62/x
3. Step 3: Cross multiply
   338,419.38x = 507,271.86 × 113,566.62
4. Step 4: Simplify right side
   338,419.38x = 57,609,150,561.31
5. Step 5: Solve for x
   x = 57,609,150,561.31/338,419.38
6. Step 6: Final answer
   x = 170,230.06