Finding the Fourth Proportional to 10,007.94, 13,810.82 and 5,531.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,007.94 : 13,810.82 = 5,531.88 : x
2. Step 2: Convert to fraction form
   10,007.94/13,810.82 = 5,531.88/x
3. Step 3: Cross multiply
   10,007.94x = 13,810.82 × 5,531.88
4. Step 4: Simplify right side
   10,007.94x = 76,399,798.94
5. Step 5: Solve for x
   x = 76,399,798.94/10,007.94
6. Step 6: Final answer
   x = 7,633.92