Finding the Fourth Proportional to 2,298.74, 3,445.71 and 999.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.74 : 3,445.71 = 999.86 : x
2. Step 2: Convert to fraction form
   2,298.74/3,445.71 = 999.86/x
3. Step 3: Cross multiply
   2,298.74x = 3,445.71 × 999.86
4. Step 4: Simplify right side
   2,298.74x = 3,445,227.60
5. Step 5: Solve for x
   x = 3,445,227.60/2,298.74
6. Step 6: Final answer
   x = 1,498.75