Finding the Fourth Proportional to 1,523.46, 2,100.81 and 992.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,523.46 : 2,100.81 = 992.37 : x
2. Step 2: Convert to fraction form
   1,523.46/2,100.81 = 992.37/x
3. Step 3: Cross multiply
   1,523.46x = 2,100.81 × 992.37
4. Step 4: Simplify right side
   1,523.46x = 2,084,780.82
5. Step 5: Solve for x
   x = 2,084,780.82/1,523.46
6. Step 6: Final answer
   x = 1,368.45