Finding the Fourth Proportional to 677,333.08, 1,015,288.37 and 227,897.91

Step by Step Solution

1. Step 1: Write the proportion equation
   677,333.08 : 1,015,288.37 = 227,897.91 : x
2. Step 2: Convert to fraction form
   677,333.08/1,015,288.37 = 227,897.91/x
3. Step 3: Cross multiply
   677,333.08x = 1,015,288.37 × 227,897.91
4. Step 4: Simplify right side
   677,333.08x = 231,382,097,570.31
5. Step 5: Solve for x
   x = 231,382,097,570.31/677,333.08
6. Step 6: Final answer
   x = 341,607.56