Finding the Fourth Proportional to 2,500.02, 3,750.53 and 856.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.02 : 3,750.53 = 856.17 : x
2. Step 2: Convert to fraction form
   2,500.02/3,750.53 = 856.17/x
3. Step 3: Cross multiply
   2,500.02x = 3,750.53 × 856.17
4. Step 4: Simplify right side
   2,500.02x = 3,211,086.99
5. Step 5: Solve for x
   x = 3,211,086.99/2,500.02
6. Step 6: Final answer
   x = 1,284.42