Finding the Fourth Proportional to 3,910.02, 5,395.83 and 2,117.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910.02 : 5,395.83 = 2,117.50 : x
2. Step 2: Convert to fraction form
   3,910.02/5,395.83 = 2,117.50/x
3. Step 3: Cross multiply
   3,910.02x = 5,395.83 × 2,117.50
4. Step 4: Simplify right side
   3,910.02x = 11,425,670.03
5. Step 5: Solve for x
   x = 11,425,670.03/3,910.02
6. Step 6: Final answer
   x = 2,922.15