Finding the Fourth Proportional to 1,570.02, 2,353.86 and 953.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.02 : 2,353.86 = 953.61 : x
2. Step 2: Convert to fraction form
   1,570.02/2,353.86 = 953.61/x
3. Step 3: Cross multiply
   1,570.02x = 2,353.86 × 953.61
4. Step 4: Simplify right side
   1,570.02x = 2,244,664.43
5. Step 5: Solve for x
   x = 2,244,664.43/1,570.02
6. Step 6: Final answer
   x = 1,429.70