Finding the Fourth Proportional to 567,888, 851,582.52 and 212,652.83

Step by Step Solution

1. Step 1: Write the proportion equation
   567,888 : 851,582.52 = 212,652.83 : x
2. Step 2: Convert to fraction form
   567,888/851,582.52 = 212,652.83/x
3. Step 3: Cross multiply
   567,888x = 851,582.52 × 212,652.83
4. Step 4: Simplify right side
   567,888x = 181,091,428,598.62
5. Step 5: Solve for x
   x = 181,091,428,598.62/567,888
6. Step 6: Final answer
   x = 318,885.82