Finding the Fourth Proportional to 9,801.18, 13,521.06 and 5,607

Step by Step Solution

1. Step 1: Write the proportion equation
   9,801.18 : 13,521.06 = 5,607 : x
2. Step 2: Convert to fraction form
   9,801.18/13,521.06 = 5,607/x
3. Step 3: Cross multiply
   9,801.18x = 13,521.06 × 5,607
4. Step 4: Simplify right side
   9,801.18x = 75,812,583.42
5. Step 5: Solve for x
   x = 75,812,583.42/9,801.18
6. Step 6: Final answer
   x = 7,735.05