Finding the Fourth Proportional to 10,001.75, 13,802.06 and 5,525.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,001.75 : 13,802.06 = 5,525.42 : x
2. Step 2: Convert to fraction form
   10,001.75/13,802.06 = 5,525.42/x
3. Step 3: Cross multiply
   10,001.75x = 13,802.06 × 5,525.42
4. Step 4: Simplify right side
   10,001.75x = 76,262,123.17
5. Step 5: Solve for x
   x = 76,262,123.17/10,001.75
6. Step 6: Final answer
   x = 7,624.88