Finding the Fourth Proportional to 1,501.75, 2,071.37 and 1,377.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.75 : 2,071.37 = 1,377.82 : x
2. Step 2: Convert to fraction form
   1,501.75/2,071.37 = 1,377.82/x
3. Step 3: Cross multiply
   1,501.75x = 2,071.37 × 1,377.82
4. Step 4: Simplify right side
   1,501.75x = 2,853,957.77
5. Step 5: Solve for x
   x = 2,853,957.77/1,501.75
6. Step 6: Final answer
   x = 1,900.43