Finding the Fourth Proportional to 2,381.88, 3,569.94 and 1,011

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.88 : 3,569.94 = 1,011 : x
2. Step 2: Convert to fraction form
   2,381.88/3,569.94 = 1,011/x
3. Step 3: Cross multiply
   2,381.88x = 3,569.94 × 1,011
4. Step 4: Simplify right side
   2,381.88x = 3,609,209.34
5. Step 5: Solve for x
   x = 3,609,209.34/2,381.88
6. Step 6: Final answer
   x = 1,515.28