Finding the Fourth Proportional to 10,505.34, 15,741.59 and 6,601.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.34 : 15,741.59 = 6,601.55 : x
2. Step 2: Convert to fraction form
   10,505.34/15,741.59 = 6,601.55/x
3. Step 3: Cross multiply
   10,505.34x = 15,741.59 × 6,601.55
4. Step 4: Simplify right side
   10,505.34x = 103,918,814.76
5. Step 5: Solve for x
   x = 103,918,814.76/10,505.34
6. Step 6: Final answer
   x = 9,892.00