Finding the Fourth Proportional to 2,592.03, 3,886.89 and 947.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,592.03 : 3,886.89 = 947.43 : x
2. Step 2: Convert to fraction form
   2,592.03/3,886.89 = 947.43/x
3. Step 3: Cross multiply
   2,592.03x = 3,886.89 × 947.43
4. Step 4: Simplify right side
   2,592.03x = 3,682,556.19
5. Step 5: Solve for x
   x = 3,682,556.19/2,592.03
6. Step 6: Final answer
   x = 1,420.72