Finding the Fourth Proportional to 338,426.32, 466,969.12 and 193,165.78

Step by Step Solution

1. Step 1: Write the proportion equation
   338,426.32 : 466,969.12 = 193,165.78 : x
2. Step 2: Convert to fraction form
   338,426.32/466,969.12 = 193,165.78/x
3. Step 3: Cross multiply
   338,426.32x = 466,969.12 × 193,165.78
4. Step 4: Simplify right side
   338,426.32x = 90,202,454,300.71
5. Step 5: Solve for x
   x = 90,202,454,300.71/338,426.32
6. Step 6: Final answer
   x = 266,534.99