Finding the Fourth Proportional to 1,570.73, 2,162.94 and 1,127.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.73 : 2,162.94 = 1,127.86 : x
2. Step 2: Convert to fraction form
   1,570.73/2,162.94 = 1,127.86/x
3. Step 3: Cross multiply
   1,570.73x = 2,162.94 × 1,127.86
4. Step 4: Simplify right side
   1,570.73x = 2,439,483.87
5. Step 5: Solve for x
   x = 2,439,483.87/1,570.73
6. Step 6: Final answer
   x = 1,553.09