Finding the Fourth Proportional to 2,132.16, 2,942.17 and 1,572.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.16 : 2,942.17 = 1,572.93 : x
2. Step 2: Convert to fraction form
   2,132.16/2,942.17 = 1,572.93/x
3. Step 3: Cross multiply
   2,132.16x = 2,942.17 × 1,572.93
4. Step 4: Simplify right side
   2,132.16x = 4,627,827.46
5. Step 5: Solve for x
   x = 4,627,827.46/2,132.16
6. Step 6: Final answer
   x = 2,170.49