Finding the Fourth Proportional to 3,611.02, 5,416.86 and 1,013.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,611.02 : 5,416.86 = 1,013.98 : x
2. Step 2: Convert to fraction form
   3,611.02/5,416.86 = 1,013.98/x
3. Step 3: Cross multiply
   3,611.02x = 5,416.86 × 1,013.98
4. Step 4: Simplify right side
   3,611.02x = 5,492,587.70
5. Step 5: Solve for x
   x = 5,492,587.70/3,611.02
6. Step 6: Final answer
   x = 1,521.06