Finding the Fourth Proportional to 1,556.76, 2,321.57 and 1,470.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556.76 : 2,321.57 = 1,470.50 : x
2. Step 2: Convert to fraction form
   1,556.76/2,321.57 = 1,470.50/x
3. Step 3: Cross multiply
   1,556.76x = 2,321.57 × 1,470.50
4. Step 4: Simplify right side
   1,556.76x = 3,413,849.72
5. Step 5: Solve for x
   x = 3,413,849.72/1,556.76
6. Step 6: Final answer
   x = 2,192.92