Finding the Fourth Proportional to 1,427.61, 2,139.59 and 941.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427.61 : 2,139.59 = 941.01 : x
2. Step 2: Convert to fraction form
   1,427.61/2,139.59 = 941.01/x
3. Step 3: Cross multiply
   1,427.61x = 2,139.59 × 941.01
4. Step 4: Simplify right side
   1,427.61x = 2,013,375.59
5. Step 5: Solve for x
   x = 2,013,375.59/1,427.61
6. Step 6: Final answer
   x = 1,410.31