Finding the Fourth Proportional to 246,667.28, 340,401.89 and 133,490.03

Step by Step Solution

1. Step 1: Write the proportion equation
   246,667.28 : 340,401.89 = 133,490.03 : x
2. Step 2: Convert to fraction form
   246,667.28/340,401.89 = 133,490.03/x
3. Step 3: Cross multiply
   246,667.28x = 340,401.89 × 133,490.03
4. Step 4: Simplify right side
   246,667.28x = 45,440,257,139.87
5. Step 5: Solve for x
   x = 45,440,257,139.87/246,667.28
6. Step 6: Final answer
   x = 184,216.80