Finding the Fourth Proportional to 339,667.20, 509,468.00 and 103,011.93

Step by Step Solution

1. Step 1: Write the proportion equation
   339,667.20 : 509,468.00 = 103,011.93 : x
2. Step 2: Convert to fraction form
   339,667.20/509,468.00 = 103,011.93/x
3. Step 3: Cross multiply
   339,667.20x = 509,468.00 × 103,011.93
4. Step 4: Simplify right side
   339,667.20x = 52,481,281,438.18
5. Step 5: Solve for x
   x = 52,481,281,438.18/339,667.20
6. Step 6: Final answer
   x = 154,507.95