Finding the Fourth Proportional to 2,376.93, 3,566.51 and 990.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,376.93 : 3,566.51 = 990.42 : x
2. Step 2: Convert to fraction form
   2,376.93/3,566.51 = 990.42/x
3. Step 3: Cross multiply
   2,376.93x = 3,566.51 × 990.42
4. Step 4: Simplify right side
   2,376.93x = 3,532,342.83
5. Step 5: Solve for x
   x = 3,532,342.83/2,376.93
6. Step 6: Final answer
   x = 1,486.09