Finding the Fourth Proportional to 1,832.30, 2,528.56 and 992.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,832.30 : 2,528.56 = 992.98 : x
2. Step 2: Convert to fraction form
   1,832.30/2,528.56 = 992.98/x
3. Step 3: Cross multiply
   1,832.30x = 2,528.56 × 992.98
4. Step 4: Simplify right side
   1,832.30x = 2,510,809.51
5. Step 5: Solve for x
   x = 2,510,809.51/1,832.30
6. Step 6: Final answer
   x = 1,370.30