Finding the Fourth Proportional to 556,322.72, 767,711.76 and 301,667.36

Step by Step Solution

1. Step 1: Write the proportion equation
   556,322.72 : 767,711.76 = 301,667.36 : x
2. Step 2: Convert to fraction form
   556,322.72/767,711.76 = 301,667.36/x
3. Step 3: Cross multiply
   556,322.72x = 767,711.76 × 301,667.36
4. Step 4: Simplify right side
   556,322.72x = 231,593,579,880.15
5. Step 5: Solve for x
   x = 231,593,579,880.15/556,322.72
6. Step 6: Final answer
   x = 416,293.59