Finding the Fourth Proportional to 1,878.00, 2,591.62 and 1,038.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878.00 : 2,591.62 = 1,038.76 : x
2. Step 2: Convert to fraction form
   1,878.00/2,591.62 = 1,038.76/x
3. Step 3: Cross multiply
   1,878.00x = 2,591.62 × 1,038.76
4. Step 4: Simplify right side
   1,878.00x = 2,692,058.23
5. Step 5: Solve for x
   x = 2,692,058.23/1,878.00
6. Step 6: Final answer
   x = 1,433.47