Finding the Fourth Proportional to 2,030.78, 2,800.98 and 1,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.78 : 2,800.98 = 1,401.50 : x
2. Step 2: Convert to fraction form
   2,030.78/2,800.98 = 1,401.50/x
3. Step 3: Cross multiply
   2,030.78x = 2,800.98 × 1,401.50
4. Step 4: Simplify right side
   2,030.78x = 3,925,580.47
5. Step 5: Solve for x
   x = 3,925,580.47/2,030.78
6. Step 6: Final answer
   x = 1,933.04