Finding the Fourth Proportional to 1,925.86, 2,885.94 and 1,581.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.86 : 2,885.94 = 1,581.61 : x
2. Step 2: Convert to fraction form
   1,925.86/2,885.94 = 1,581.61/x
3. Step 3: Cross multiply
   1,925.86x = 2,885.94 × 1,581.61
4. Step 4: Simplify right side
   1,925.86x = 4,564,431.56
5. Step 5: Solve for x
   x = 4,564,431.56/1,925.86
6. Step 6: Final answer
   x = 2,370.07