Finding the Fourth Proportional to 2,898.89, 4,347.05 and 924.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,898.89 : 4,347.05 = 924.15 : x
2. Step 2: Convert to fraction form
   2,898.89/4,347.05 = 924.15/x
3. Step 3: Cross multiply
   2,898.89x = 4,347.05 × 924.15
4. Step 4: Simplify right side
   2,898.89x = 4,017,337.94
5. Step 5: Solve for x
   x = 4,017,337.94/2,898.89
6. Step 6: Final answer
   x = 1,385.82