Finding the Fourth Proportional to 10,575.30, 15,859.86 and 3,554.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,575.30 : 15,859.86 = 3,554.52 : x
2. Step 2: Convert to fraction form
   10,575.30/15,859.86 = 3,554.52/x
3. Step 3: Cross multiply
   10,575.30x = 15,859.86 × 3,554.52
4. Step 4: Simplify right side
   10,575.30x = 56,374,189.57
5. Step 5: Solve for x
   x = 56,374,189.57/10,575.30
6. Step 6: Final answer
   x = 5,330.74