Finding the Fourth Proportional to 5,298.15, 7,947.27 and 1,402.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,298.15 : 7,947.27 = 1,402.50 : x
2. Step 2: Convert to fraction form
   5,298.15/7,947.27 = 1,402.50/x
3. Step 3: Cross multiply
   5,298.15x = 7,947.27 × 1,402.50
4. Step 4: Simplify right side
   5,298.15x = 11,146,046.18
5. Step 5: Solve for x
   x = 11,146,046.18/5,298.15
6. Step 6: Final answer
   x = 2,103.76