Finding the Fourth Proportional to 1,501.85, 2,073.98 and 1,420.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.85 : 2,073.98 = 1,420.04 : x
2. Step 2: Convert to fraction form
   1,501.85/2,073.98 = 1,420.04/x
3. Step 3: Cross multiply
   1,501.85x = 2,073.98 × 1,420.04
4. Step 4: Simplify right side
   1,501.85x = 2,945,139.74
5. Step 5: Solve for x
   x = 2,945,139.74/1,501.85
6. Step 6: Final answer
   x = 1,961.00