Finding the Fourth Proportional to 4,892.50, 7,331.86 and 2,117.04

Step by Step Solution

1. Step 1: Write the proportion equation
   4,892.50 : 7,331.86 = 2,117.04 : x
2. Step 2: Convert to fraction form
   4,892.50/7,331.86 = 2,117.04/x
3. Step 3: Cross multiply
   4,892.50x = 7,331.86 × 2,117.04
4. Step 4: Simplify right side
   4,892.50x = 15,521,840.89
5. Step 5: Solve for x
   x = 15,521,840.89/4,892.50
6. Step 6: Final answer
   x = 3,172.58