Finding the Fourth Proportional to 7,152.71, 9,870.71 and 4,008.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,152.71 : 9,870.71 = 4,008.89 : x
2. Step 2: Convert to fraction form
   7,152.71/9,870.71 = 4,008.89/x
3. Step 3: Cross multiply
   7,152.71x = 9,870.71 × 4,008.89
4. Step 4: Simplify right side
   7,152.71x = 39,570,521.21
5. Step 5: Solve for x
   x = 39,570,521.21/7,152.71
6. Step 6: Final answer
   x = 5,532.25