Finding the Fourth Proportional to 1,042.16, 1,556.98 and 973.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042.16 : 1,556.98 = 973.86 : x
2. Step 2: Convert to fraction form
   1,042.16/1,556.98 = 973.86/x
3. Step 3: Cross multiply
   1,042.16x = 1,556.98 × 973.86
4. Step 4: Simplify right side
   1,042.16x = 1,516,280.54
5. Step 5: Solve for x
   x = 1,516,280.54/1,042.16
6. Step 6: Final answer
   x = 1,454.94