Finding the Fourth Proportional to 1,348.65, 1,861.61 and 994.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.65 : 1,861.61 = 994.98 : x
2. Step 2: Convert to fraction form
   1,348.65/1,861.61 = 994.98/x
3. Step 3: Cross multiply
   1,348.65x = 1,861.61 × 994.98
4. Step 4: Simplify right side
   1,348.65x = 1,852,259.74
5. Step 5: Solve for x
   x = 1,852,259.74/1,348.65
6. Step 6: Final answer
   x = 1,373.42