Finding the Fourth Proportional to 2,892.35, 4,335.55 and 1,247.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.35 : 4,335.55 = 1,247.51 : x
2. Step 2: Convert to fraction form
   2,892.35/4,335.55 = 1,247.51/x
3. Step 3: Cross multiply
   2,892.35x = 4,335.55 × 1,247.51
4. Step 4: Simplify right side
   2,892.35x = 5,408,641.98
5. Step 5: Solve for x
   x = 5,408,641.98/2,892.35
6. Step 6: Final answer
   x = 1,869.98