Finding the Fourth Proportional to 1,401.03, 2,098.80 and 1,054.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.03 : 2,098.80 = 1,054.71 : x
2. Step 2: Convert to fraction form
   1,401.03/2,098.80 = 1,054.71/x
3. Step 3: Cross multiply
   1,401.03x = 2,098.80 × 1,054.71
4. Step 4: Simplify right side
   1,401.03x = 2,213,625.35
5. Step 5: Solve for x
   x = 2,213,625.35/1,401.03
6. Step 6: Final answer
   x = 1,580.00