Finding the Fourth Proportional to 502,667.60, 693,685.94 and 273,225.42

Step by Step Solution

1. Step 1: Write the proportion equation
   502,667.60 : 693,685.94 = 273,225.42 : x
2. Step 2: Convert to fraction form
   502,667.60/693,685.94 = 273,225.42/x
3. Step 3: Cross multiply
   502,667.60x = 693,685.94 × 273,225.42
4. Step 4: Simplify right side
   502,667.60x = 189,532,632,304.60
5. Step 5: Solve for x
   x = 189,532,632,304.60/502,667.60
6. Step 6: Final answer
   x = 377,053.61