Finding the Fourth Proportional to 8,870.07, 13,314.34 and 6,532.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.07 : 13,314.34 = 6,532.72 : x
2. Step 2: Convert to fraction form
   8,870.07/13,314.34 = 6,532.72/x
3. Step 3: Cross multiply
   8,870.07x = 13,314.34 × 6,532.72
4. Step 4: Simplify right side
   8,870.07x = 86,978,802.52
5. Step 5: Solve for x
   x = 86,978,802.52/8,870.07
6. Step 6: Final answer
   x = 9,805.87