Finding the Fourth Proportional to 2,492.86, 3,734.50 and 1,393.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.86 : 3,734.50 = 1,393.89 : x
2. Step 2: Convert to fraction form
   2,492.86/3,734.50 = 1,393.89/x
3. Step 3: Cross multiply
   2,492.86x = 3,734.50 × 1,393.89
4. Step 4: Simplify right side
   2,492.86x = 5,205,482.21
5. Step 5: Solve for x
   x = 5,205,482.21/2,492.86
6. Step 6: Final answer
   x = 2,088.16