Finding the Fourth Proportional to 9,870.99, 13,627.58 and 6,523.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870.99 : 13,627.58 = 6,523.53 : x
2. Step 2: Convert to fraction form
   9,870.99/13,627.58 = 6,523.53/x
3. Step 3: Cross multiply
   9,870.99x = 13,627.58 × 6,523.53
4. Step 4: Simplify right side
   9,870.99x = 88,899,894.34
5. Step 5: Solve for x
   x = 88,899,894.34/9,870.99
6. Step 6: Final answer
   x = 9,006.18