Finding the Fourth Proportional to 567,870.58, 851,621.59 and 188,689.48

Step by Step Solution

1. Step 1: Write the proportion equation
   567,870.58 : 851,621.59 = 188,689.48 : x
2. Step 2: Convert to fraction form
   567,870.58/851,621.59 = 188,689.48/x
3. Step 3: Cross multiply
   567,870.58x = 851,621.59 × 188,689.48
4. Step 4: Simplify right side
   567,870.58x = 160,692,034,973.87
5. Step 5: Solve for x
   x = 160,692,034,973.87/567,870.58
6. Step 6: Final answer
   x = 282,972.99