Finding the Fourth Proportional to 556,601.50, 768,111.50 and 301,952.66

Step by Step Solution

1. Step 1: Write the proportion equation
   556,601.50 : 768,111.50 = 301,952.66 : x
2. Step 2: Convert to fraction form
   556,601.50/768,111.50 = 301,952.66/x
3. Step 3: Cross multiply
   556,601.50x = 768,111.50 × 301,952.66
4. Step 4: Simplify right side
   556,601.50x = 231,933,309,091.83
5. Step 5: Solve for x
   x = 231,933,309,091.83/556,601.50
6. Step 6: Final answer
   x = 416,695.45