Finding the Fourth Proportional to 1,834.28, 2,531.31 and 994.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,834.28 : 2,531.31 = 994.98 : x
2. Step 2: Convert to fraction form
   1,834.28/2,531.31 = 994.98/x
3. Step 3: Cross multiply
   1,834.28x = 2,531.31 × 994.98
4. Step 4: Simplify right side
   1,834.28x = 2,518,602.82
5. Step 5: Solve for x
   x = 2,518,602.82/1,834.28
6. Step 6: Final answer
   x = 1,373.07