Finding the Fourth Proportional to 567,145.86, 851,111.69 and 225,554.28

Step by Step Solution

1. Step 1: Write the proportion equation
   567,145.86 : 851,111.69 = 225,554.28 : x
2. Step 2: Convert to fraction form
   567,145.86/851,111.69 = 225,554.28/x
3. Step 3: Cross multiply
   567,145.86x = 851,111.69 × 225,554.28
4. Step 4: Simplify right side
   567,145.86x = 191,971,884,437.53
5. Step 5: Solve for x
   x = 191,971,884,437.53/567,145.86
6. Step 6: Final answer
   x = 338,487.68