Finding the Fourth Proportional to 1,892.47, 2,611.67 and 1,146.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.47 : 2,611.67 = 1,146.57 : x
2. Step 2: Convert to fraction form
   1,892.47/2,611.67 = 1,146.57/x
3. Step 3: Cross multiply
   1,892.47x = 2,611.67 × 1,146.57
4. Step 4: Simplify right side
   1,892.47x = 2,994,462.47
5. Step 5: Solve for x
   x = 2,994,462.47/1,892.47
6. Step 6: Final answer
   x = 1,582.30