Finding the Fourth Proportional to 3,510.06, 5,260.55 and 1,427.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,510.06 : 5,260.55 = 1,427.63 : x
2. Step 2: Convert to fraction form
   3,510.06/5,260.55 = 1,427.63/x
3. Step 3: Cross multiply
   3,510.06x = 5,260.55 × 1,427.63
4. Step 4: Simplify right side
   3,510.06x = 7,510,085.56
5. Step 5: Solve for x
   x = 7,510,085.56/3,510.06
6. Step 6: Final answer
   x = 2,139.59