Finding the Fourth Proportional to 1,885.01, 2,820.15 and 1,265.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,885.01 : 2,820.15 = 1,265.76 : x
2. Step 2: Convert to fraction form
   1,885.01/2,820.15 = 1,265.76/x
3. Step 3: Cross multiply
   1,885.01x = 2,820.15 × 1,265.76
4. Step 4: Simplify right side
   1,885.01x = 3,569,633.06
5. Step 5: Solve for x
   x = 3,569,633.06/1,885.01
6. Step 6: Final answer
   x = 1,893.70