Finding the Fourth Proportional to 1,885.71, 2,604.79 and 1,572.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,885.71 : 2,604.79 = 1,572.02 : x
2. Step 2: Convert to fraction form
   1,885.71/2,604.79 = 1,572.02/x
3. Step 3: Cross multiply
   1,885.71x = 2,604.79 × 1,572.02
4. Step 4: Simplify right side
   1,885.71x = 4,094,781.98
5. Step 5: Solve for x
   x = 4,094,781.98/1,885.71
6. Step 6: Final answer
   x = 2,171.48