Finding the Fourth Proportional to 2,381.17, 3,572.61 and 1,064.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.17 : 3,572.61 = 1,064.81 : x
2. Step 2: Convert to fraction form
   2,381.17/3,572.61 = 1,064.81/x
3. Step 3: Cross multiply
   2,381.17x = 3,572.61 × 1,064.81
4. Step 4: Simplify right side
   2,381.17x = 3,804,127.67
5. Step 5: Solve for x
   x = 3,804,127.67/2,381.17
6. Step 6: Final answer
   x = 1,597.59