Finding the Fourth Proportional to 3,746.86, 5,618.31 and 1,872.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,746.86 : 5,618.31 = 1,872.46 : x
2. Step 2: Convert to fraction form
   3,746.86/5,618.31 = 1,872.46/x
3. Step 3: Cross multiply
   3,746.86x = 5,618.31 × 1,872.46
4. Step 4: Simplify right side
   3,746.86x = 10,520,060.74
5. Step 5: Solve for x
   x = 10,520,060.74/3,746.86
6. Step 6: Final answer
   x = 2,807.70