Finding the Fourth Proportional to 10,001.98, 13,803.54 and 5,526.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,001.98 : 13,803.54 = 5,526.12 : x
2. Step 2: Convert to fraction form
   10,001.98/13,803.54 = 5,526.12/x
3. Step 3: Cross multiply
   10,001.98x = 13,803.54 × 5,526.12
4. Step 4: Simplify right side
   10,001.98x = 76,279,997.74
5. Step 5: Solve for x
   x = 76,279,997.74/10,001.98
6. Step 6: Final answer
   x = 7,626.49