Finding the Fourth Proportional to 10,551.83, 15,828.56 and 3,531.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,551.83 : 15,828.56 = 3,531.86 : x
2. Step 2: Convert to fraction form
   10,551.83/15,828.56 = 3,531.86/x
3. Step 3: Cross multiply
   10,551.83x = 15,828.56 × 3,531.86
4. Step 4: Simplify right side
   10,551.83x = 55,904,298.11
5. Step 5: Solve for x
   x = 55,904,298.11/10,551.83
6. Step 6: Final answer
   x = 5,298.07