Finding the Fourth Proportional to 5,175,328.89, 7,142,002.28 and 2,852,306.53

Step by Step Solution

1. Step 1: Write the proportion equation
   5,175,328.89 : 7,142,002.28 = 2,852,306.53 : x
2. Step 2: Convert to fraction form
   5,175,328.89/7,142,002.28 = 2,852,306.53/x
3. Step 3: Cross multiply
   5,175,328.89x = 7,142,002.28 × 2,852,306.53
4. Step 4: Simplify right side
   5,175,328.89x = 20,371,179,740,518.89
5. Step 5: Solve for x
   x = 20,371,179,740,518.89/5,175,328.89
6. Step 6: Final answer
   x = 3,936,209.69