Finding the Fourth Proportional to 3,892.50, 5,838.03 and 1,259.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892.50 : 5,838.03 = 1,259.89 : x
2. Step 2: Convert to fraction form
   3,892.50/5,838.03 = 1,259.89/x
3. Step 3: Cross multiply
   3,892.50x = 5,838.03 × 1,259.89
4. Step 4: Simplify right side
   3,892.50x = 7,355,261.02
5. Step 5: Solve for x
   x = 7,355,261.02/3,892.50
6. Step 6: Final answer
   x = 1,889.60