Finding the Fourth Proportional to 10,008.32, 13,811.56 and 5,531.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,008.32 : 13,811.56 = 5,531.84 : x
2. Step 2: Convert to fraction form
   10,008.32/13,811.56 = 5,531.84/x
3. Step 3: Cross multiply
   10,008.32x = 13,811.56 × 5,531.84
4. Step 4: Simplify right side
   10,008.32x = 76,403,340.07
5. Step 5: Solve for x
   x = 76,403,340.07/10,008.32
6. Step 6: Final answer
   x = 7,633.98