Finding the Fourth Proportional to 1,881.18, 2,820.52 and 1,003.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,881.18 : 2,820.52 = 1,003.12 : x
2. Step 2: Convert to fraction form
   1,881.18/2,820.52 = 1,003.12/x
3. Step 3: Cross multiply
   1,881.18x = 2,820.52 × 1,003.12
4. Step 4: Simplify right side
   1,881.18x = 2,829,320.02
5. Step 5: Solve for x
   x = 2,829,320.02/1,881.18
6. Step 6: Final answer
   x = 1,504.01