Finding the Fourth Proportional to 5,611.88, 8,404.86 and 5,417.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,611.88 : 8,404.86 = 5,417.48 : x
2. Step 2: Convert to fraction form
   5,611.88/8,404.86 = 5,417.48/x
3. Step 3: Cross multiply
   5,611.88x = 8,404.86 × 5,417.48
4. Step 4: Simplify right side
   5,611.88x = 45,533,160.95
5. Step 5: Solve for x
   x = 45,533,160.95/5,611.88
6. Step 6: Final answer
   x = 8,113.71