Finding the Fourth Proportional to 1,903.50, 2,623.59 and 1,570.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,903.50 : 2,623.59 = 1,570.86 : x
2. Step 2: Convert to fraction form
   1,903.50/2,623.59 = 1,570.86/x
3. Step 3: Cross multiply
   1,903.50x = 2,623.59 × 1,570.86
4. Step 4: Simplify right side
   1,903.50x = 4,121,292.59
5. Step 5: Solve for x
   x = 4,121,292.59/1,903.50
6. Step 6: Final answer
   x = 2,165.11