Finding the Fourth Proportional to 2,124.47, 3,186.10 and 892.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.47 : 3,186.10 = 892.16 : x
2. Step 2: Convert to fraction form
   2,124.47/3,186.10 = 892.16/x
3. Step 3: Cross multiply
   2,124.47x = 3,186.10 × 892.16
4. Step 4: Simplify right side
   2,124.47x = 2,842,492.82
5. Step 5: Solve for x
   x = 2,842,492.82/2,124.47
6. Step 6: Final answer
   x = 1,337.98