Finding the Fourth Proportional to 10,001.61, 13,804.14 and 5,755.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,001.61 : 13,804.14 = 5,755.53 : x
2. Step 2: Convert to fraction form
   10,001.61/13,804.14 = 5,755.53/x
3. Step 3: Cross multiply
   10,001.61x = 13,804.14 × 5,755.53
4. Step 4: Simplify right side
   10,001.61x = 79,450,141.89
5. Step 5: Solve for x
   x = 79,450,141.89/10,001.61
6. Step 6: Final answer
   x = 7,943.74