Finding the Fourth Proportional to 3,900.02, 5,852.34 and 1,436.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900.02 : 5,852.34 = 1,436.57 : x
2. Step 2: Convert to fraction form
   3,900.02/5,852.34 = 1,436.57/x
3. Step 3: Cross multiply
   3,900.02x = 5,852.34 × 1,436.57
4. Step 4: Simplify right side
   3,900.02x = 8,407,266.81
5. Step 5: Solve for x
   x = 8,407,266.81/3,900.02
6. Step 6: Final answer
   x = 2,155.70