Finding the Fourth Proportional to 12,001.94, 16,561.89 and 7,525.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,001.94 : 16,561.89 = 7,525.50 : x
2. Step 2: Convert to fraction form
   12,001.94/16,561.89 = 7,525.50/x
3. Step 3: Cross multiply
   12,001.94x = 16,561.89 × 7,525.50
4. Step 4: Simplify right side
   12,001.94x = 124,636,503.20
5. Step 5: Solve for x
   x = 124,636,503.20/12,001.94
6. Step 6: Final answer
   x = 10,384.70